Download OU Intermediate 2018 Core Subjects 0223 Chemistry Question Paper

Download OU (Osmania-University) Intermediate 2018 Core Subjects 0223 Chemistry Previous Question Papers

? 0223
n d. V
Total No of Quuuons ~ 21 :98 I
. 2 . 0- ! S G o 2 1 3: 2 7 C3
Total No. oannted Pages - ?
Pm ~ In
CHEMISTRY, P aper _ 11
(English Version)
Max. Marks : 60
Time : 3 Hours ?
Note : Read the following instructlons (:anfHHV-
1) Answer all questions of Section 'A', Answer any six questlons m
Soctmn 'B' and any two questions in Section 'C'.
2) In Section 'A'. questions from Sr. Nos. 1 to 10 are of "Very Short
Answer Type". Each question carries two marks. Every answer may
?m? ilmned to 2 or 3 sentences. Answer all these questlons at one place
! m tho same order.
3) In Section ?8'. questions from Sr. Nos. 11 to 18 are 0f"Short Answer
Type". Each quostinn carries four marks. Every answer may be limited
to 75 Wurds,
4) In Section '0, questions from Sr. Nos. 19 to 21 are of "Long Answer
Type". Each question carries eight marks. Every answer may be limited
to 300 words.
:3) Draw labelled diagrams wherever necessary for questions 'in Sections
'8' and 'C?.
SECTION A 10 x 2 = 20
Note : Answer all questions.
. 1. State Raoult?s law.
. 2. State Faraday?s second law of electrolysis.
3. What: is PHBV? How is ?131.,me to man?
. ? .??'?k .
g 4. Write (118 names ofthe monomers for tho follmvmg polymers.
3) Bakelite b) Nylon (5. U
a What 15 u ligand? (?ve one example for unidentate ligand. '
6 What are the neutral oxides of nitrogen?
7. What happens when Cl2 reacts with dry slaked lime?
8 What is blister copper? Why is it 80 called?
9. Explain cgrbylamine reaction with an example.
10. Explain the reaction of Aniline with Nitrous acid.
x'r-a? (DAY-IZ) Sir."
CU?
'1" _,?\-. .

SECTION B
Note {Answer any six questions.
* 11. Explain Schottky and Frankel defects.
. 12. De?ne mole fraction. Calculate the mole? fraction of H2304 in ?a .0an
containing 98% (w/w) H2 8'04 by mass
,13. What are emulsmns? How are they classi?ed? Give ?.9?
each. - "'1 _,.._ .
3; n .x- -,4- 7:. - ..
?14. Explain calcination and roasting with suitable examples-
!
.45. Explnin' Warner?s theory 0!, ?: tion compound
dump)?. " , _ ~' -'-.- "?
1!. What are how?? Give om mm ?t each of the following:
5 with suitable
"?51.? ?-
18. Epram S"1 and S? teammn Example.
SECTION C 2 X 8 =- 16
Note : Answer any two questions.
2% a) What are Galvanic cells? Explain the working of a Galvanic cell by
taking Daniel cell as example
1)) . Desaibo the salient features of the mm of Won rates.
a one ?Wolved in the manufacm ? 3,;