Question Paper Name: Chemistry 227 30th May 2019 Shift2 Set1
Subject Name: Chemistry 227
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Creation Date: 2019-05-30 19:01:14
Duration: 180
Total Marks: 100
Display Marks: Yes
Share Answer Key With Delivery Engine: Yes
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Actual Answer Key: Yes
Chemistry 227
Group Number : 1
Group Id : 128206216
Group Maximum Duration : 0
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Group Minimum Duration : 120
Revisit allowed for view?: No
Revisit allowed for edit? : No
Break time: 0
Group Marks: 100
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Part - A
Section Id : 128206502
Section Number : 1
Section type : Online
Mandatory or Optional: Mandatory
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Number of Questions: 20
Number of Questions to be attempted: 20
Section Marks: 40
Display Number Panel: Yes
Group All Questions: No
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Sub-Section Number: 1
Sub-Section Id: 128206595
Question Shuffling Allowed : Yes
Question Number : 1 Question Id : 12820612708 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
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A nucleophilic substitution reaction of an alkyl halide is carried out with an azide in a polar protic (MeOH) as well as in a polar aprotic reaction is:
(a) Drastically Slower in MeOH
(b) Very Fast in MeOH
(c) Rates are same in MeOH and DMF
(d) Reaction does not proceed in DMF
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Options:
12820650171. A
12820650172. B
12820650173. C
12820650174. D
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Question Number : 2 Question Id : 12820612709 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
p-Chloromethylbenzene is reacted with NaNH2 in liquid ammonia. The product(s) formed are:
(a) p-Aminomethylbenzene only
(b) m-Aminomethylbenzene only
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(c) o-Aminomethylbenzene and m-aminomethylbenzene (major)
(d) m-Aminomethylbenzene (major) and p-aminomethylbenzene
Options:
12820650175. A
12820650176. B
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12820650177. C
12820650178. D
Question Number: 3 Question Id : 12820612710 Question Type: MCQ Option Shuffling : No Display Question Number : Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks : 2 Wrong Marks : 0
Arrange the decreasing order of acidity of phenol (I), o-nitrophenol (II), m-nitrophenol (III) and p- nitrophenol (IV):
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(a) IV > III > II > I
(b) II > IV > III > I
(c) IV > II > III > I
(d) III > II > IV > I
Options:
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12820650179. A
12820650180. B
12820650181. C
12820650182. D
Question Number : 5 Question Id : 12820612712 Question Type : MCQ Option Shuffling : No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks : 2 Wrong Marks : 0
The compound that is not aromatic is:
Options:
12820650187. A
12820650188. B
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12820650189. C
12820650190. D
Question Number: 6 Question Id : 12820612713 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 2 Wrong Marks: 0
Saturated carbonyl compounds undergo a ring closure reaction with conjugated dienes. This reaction is known as:
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(a) Perkin reaction
(b) Sandmeyer reaction
(c) Wittig reaction
(d) Diels-Alder reaction
Options:
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12820650191. A
12820650192. B
12820650193. C
12820650194. D
Question Number : 7 Question Id : 12820612714 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks: 2 Wrong Marks : 0
Consider the statements on following pair of compounds:
I. Both are enantiomers
II. Both are threo form
III. Both are diastereomers
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IV. Both are D,L-pair
The CORRECT set of statements is:
(a) I and II
(b) II and III
(c) I, II and IV
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(d) III and IV
Options:
12820650195. A
12820650196. B
12820650197. C
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12820650198. D
Question Number: 8 Question Id : 12820612715 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 2 Wrong Marks : 0
Question Number : 9 Question Id : 12820612716 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
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The quantitative estimation of calcium is generally performed by:
(a) Redox titration
(b) Acid-base titration
(c) Complexometric titration
(d) Precipitation titration
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Options:
12820650203. A
12820650204. B
12820650205. C
12820650206. D
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Question Number: 10 Question Id : 12820612717 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
The number of electrons involved in the following balanced redox reaction is:
2MnO4 (aq) + 10Br (aq) + 16H+ (aq) ? 2Mn2+ (aq) + 5Br2 (aq) + 8H2O (l)
(a) 2
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(b) 4
(c) 5
(d) 10
Options:
12820650207. A
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12820650208. B
12820650209. C
12820650210. D
Question Number: 11 Question Id : 12820612718 Question Type: MCQ Option Shuffling : No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Question Number : 12 Question Id : 12820612719 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks : 2 Wrong Marks : 0
In metal-olefin interaction, the extent of increase in metal ? olefin p-back-donation would
(a) Lead to a decrease in C=C bond length
(b) Change the formal oxidation state of the metal
(c) Change the hybridization of the olefin carbon from sp² to sp³
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(d) Increase with the presence of electron donating substituents on the olefin
Options:
12820650215. A
12820650216. B
12820650217. C
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12820650218. D
Question Number: 13 Question Id : 12820612720 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
The d-d transition in an octahedral [NiX6]2+ complexes are:
(a) Laporte forbidden but spin allowed
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(b) Laporte forbidden and spin forbidden
(c) Laporte allowed and spin allowed
(d) Laporte allowed but spin forbidden
Options:
12820650219. A
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12820650220. B
12820650221. C
12820650222. D
Question Number: 14 Question Id : 12820612721 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Question Number : 15 Question Id : 12820612722 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks : 2 Wrong Marks : 0
The concept of de Broglie's particle-wave is best utilized in the following modern instrument:
(a) X-ray diffractometer
(b) UV-Vis Spectrophotometer
(c) Transmission electron microscope
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(d) Photo voltaic cells
Options:
12820650227. A
12820650228. B
12820650229. C
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12820650230. D
Question Number: 16 Question Id : 12820612723 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 2 Wrong Marks : 0
Question Number: 17 Question Id : 12820612724 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 2 Wrong Marks : 0
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A solid has a structure in which 'W' atoms are located at the corners of a cubic lattice, 'O' atoms are at the centre of face edges and 'Na' atoms are at the centre of the cube. The formula of the compound is:
(a) Na2 WO3
(b) Na2 WO2
(c) NaWO2
(d) NaWO3
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Options:
12820650235. A
12820650236. B
12820650237. C
12820650238. D
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Question Number : 18 Question Id : 12820612725 Question Type : MCQ Option Shuffling : No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 2 Wrong Marks : 0
For which process would the heat be negative?
(a) Changing the temperature of ice water to 50 °C
(b) Condensing steam
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(c) Boiling water
(d) Changing the temperature of water from 30 °C to 100 °C
Options:
12820650239. A
12820650240. B
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12820650241. C
12820650242. D
Question Number : 20 Question Id : 12820612727 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 2 Wrong Marks : 0
What is the reduction potential for the following half-reaction at 25 °C?
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Al3+ + 3e ? Al
Given that [Al³+] = 0.10 M and E° = -1.66 V
(a) -1.84 V
(b) -1.60 V
(c) -1.68 V
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(d) -1.66 V
Options:
12820650247. A
12820650248. B
12820650249. C
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12820650250. D
Part - B
Section Id : 128206363
Section Number : 2
Section type : Online
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Mandatory or Optional: Mandatory
Number of Questions: 20
Number of Questions to be attempted: 20
Section Marks: 60
Display Number Panel: Yes
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Group All Questions: No
Sub-Section Number:
Sub-Section Id: 128206596
Question Number : 21 Question Id : 12820612728 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
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The decreasing order of nucleophilicity for the following anions is:
CH3CO2, CH30, C6H5O, NO3
(a) CH3CO2> CH3O > C6H5O > NO3
(b) CH3O > NO3 > C6H5O- > CH3CO2
(c) CH3O > C6H5O> CH3CO2 > NO3
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(d) C6H5O > CH3O> NO3 > CH3CO2
Options:
12820650251. A
12820650252. B
12820650253. C
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12820650254. D
Question Number : 22 Question Id : 12820612729 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
Which of the following compounds is optically active?
(a) I
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(b) II
(c) III
(d) IV
Options:
12820650255. A
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12820650256. B
12820650257. C
12820650258. D
Question Number : 23 Question Id : 12820612730 Question Type : MCQ Option Shuffling : No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
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Question Number : 24 Question Id : 12820612731 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
Which set of values belongs to the following structure:
C6H5CH2CH(CH3)2
(a) C8H10; 1.2, t, three H's; 2.6 q, two H's; 7.1, s, five H's
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(b) C10H14; 1.30, s, nine H's; 7.30, s, five H's
(C) C10H14; 0.88, d, six H's; 1.86, m, one H; 2.45, d, two H's; 7.2, s, five H's
(d) C9H10; 2.04, p, two H's, 2.91 t, four H's; 7.17, s, five H's
Options:
12820650263. A
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12820650264. B
12820650265. C
12820650266. D
Question Number : 25 Question Id : 12820612732 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
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A red compound is formed by reaction of 2 moles of AgBF4 with 1 mole of 1,2,3,4-tetraphenyl- 3,4-dibromocyclobut-1-ene. The product is [A] and is:
(a) [A]: Tetraphenylcyclobutenyl dication and is aromatic
(b) [A]: Tetraphenylcyclobutenyl dianion and is aromatic
(c) [A]: Triphenylcyclopropenyl cation and is aromatic
(d) [A]: Triphenylcyclopropenyl anion and is antiaromatic
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Options:
12820650267. A
12820650268. B
Question Number : 26 Question Id : 12820612733 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
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Cyclohexanone is treated with hydroxylamine to produce [A]. Upon treatment of [A] with an acid [B] is produced. [B] is then heated in presence of a base to generate a textile polymer [C]. [A], [B] and [C] are:
(a) [A]: Cyclohexanoic acid; [B]: Six membered cyclic acid; [C]: [-(CH2)5-CO-]n
(b) [A]: Cyclohexanone oxime; [B]: Six membered cyclic amide; [C]: [-NH-(CH2)4-CO-]n
(c) [A]: Cyclohexanone oxime; [B]: Seven membered cyclic amide; [C]: [-NH-(CH2)5-CO-]n
(d) [A]: Cyclohexanoic acid; [B]: Six membered cyclic acid; [C]: [-NH-(CH2)5-CO-]n
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Options:
12820650271. A
12820650272. B
12820650273. C
12820650274. D
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Question Number : 27 Question Id : 12820612734 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 3 Wrong Marks : 0
According to Valence Shell Electron Pair Repulsion (VSEPR) theory, the shape of SnCl2, XeF2, NH3 and BrF3 are:
(a) V-shaped, linear, T-shaped, and pyramidal, respectively.
(b) Linear, V-shaped, T-shaped, and pyramidal, respectively.
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(c) Pyramidal, linear, T-shaped, and V-shaped, respectively.
(d) V-shaped, linear, pyramidal, and T-shaped, respectively.
Options:
12820650275. A
12820650276. B
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12820650277. C
12820650278. D
Question Number : 28 Question Id : 12820612735 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
Question Number: 29 Question Id : 12820612736 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks : 3 Wrong Marks : 0
The number of moles of CO2 present in 220 mg CO2 is:
(a) 0.005 moles
(b) 10 moles
(c) 100 moles
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(d) 0.01 moles
Options:
12820650283. A
12820650284. B
12820650285. C
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12820650286. D
Question Number : 30 Question Id : 12820612737 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
Question Number : 31 Question Id : 12820612738 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
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The visible spectra of salts of following complexes are measured in aqueous solutions. Among these complexes which one would exhibit absorptions spectrum with the highest &max values?
(a) [MnO4]-
(b) [CoC14]2-
(c) [Co(H2O)6]2+
(d) [Mn(H2O)6]2+
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Options:
12820650291. A
12820650292. B
12820650293. C
12820650294. D
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Question Number : 32 Question Id : 12820612739 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 3 Wrong Marks : 0
The increasing order of energy levels for the tetragonally elongated hexacoordinated system is:
(a) dxz, dyz, dxy < dz², dx2-y2
(b) dxz, dyz < dxy < dz² < dx²-y²
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(c) dxy < dxz, dyz < dx²-y² < dz²
(d) dxz < dyz < dxy < dz² < dx²-y2
Options:
12820650295. A
Question Number: 33 Question Id : 12820612740 Question Type : MCQ Option Shuffling: No Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks: 3 Wrong Marks : 0
Which of the following statement is TRUE with respect to [Cr(edta)], [Ru(en)3]2+ and [Pt(dien)Cl]+?
(a) Chiral, Chiral and Achiral, respectively.
(b) Chiral, Chiral and Chiral, respectively.
(c) Achiral, Chiral and Achiral, respectively.
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(d) Achiral, Chiral and Chiral, respectively.
Options:
12820650299. A
12820650300. B
12820650301. C
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12820650302. D
Question Number : 34 Question Id : 12820612741 Question Type : MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks: 3 Wrong Marks : 0
The eigenvalues of the linear matrix operator A = are:
(a) 9 and 3
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(b) 8 and -2
(c) 4 and 8
(d) 5 and 7
Options:
12820650303. A
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12820650304. B
12820650305. C
12820650
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