OU BBA Last 10 Years 2010-2020 Question Papers || Osmania University
| S.N. | Questions | Answer | Marks |
|---|---|---|---|
| 1. | Calculate the oxidation number of Mn in K2MnO4. (a) 4 (b) 6 --- Content provided by FirstRanker.com --- (c) 7(d) 5 | B | 1 |
| 2. | What will be the conjugate bases for HCO3-. (a) CO3-2 (b) H2CO3 (c) H3CO3+ --- Content provided by FirstRanker.com --- (d) H3CO4 | A | 1 |
| 3. | Write the correct name of the following structure | C | 1 |
| 4. | In the reactions given below, identify the species undergoing oxidation and reduction: H2S (g) + Cl2 (g) ? 2HCl (g) + S (s). (a) Cl2 oxidation & H2S reduction; (b) Cl2 reduction & H2S oxidation; (c) HCl reduction & H2S oxidation; --- Content provided by FirstRanker.com --- (d) Cl2 oxidation & S reduction. | B | 1 |
| 5. | A hydrocarbon ‘A' decolourises bromine water. On ozonolysis it gives 3-Methylbutanal and formaldehyde. Give the name of the compound. (a) 4-Methylpent-1-ene (b) 4-Ethylpent-1-ene (c) 1-Methylpent-4-ene (d) 4-Ethylpent-2-ene. | A | 1 |
| 6. | Which of these contain the largest number of atoms? --- Content provided by FirstRanker.com --- (a) 1g Na(s)(b) 1g K(s) (c) 1g Li(s) (d) 1g Rb(s) | C | 1 |
| 7. | The density of 3M solution of NaCl is 1.25g/mL. Calculate the molality of the solution. (a) 9.72 m --- Content provided by FirstRanker.com --- (b) 2.79 m(c) 3.79 m (d) 7.45 m | B | 1 |
| 8. | Calculate the pH of 0.001M NaOH. (a) 3 (b) 9 --- Content provided by FirstRanker.com --- (c) 10(d) 11 | D | 1 |
| 9. | Write the formula of the compound Nickel (II) sulphate? (a) NiSO4 (b) Ni2SO4 (c) NiS --- Content provided by FirstRanker.com --- (d) Ni2S | A | 1 |
| 10. | Which reactive intermediate is formed when the covalent bond in CH3-Li undergoes heterolytic cleavage? (a) Carbanion (b) Carbene (c) Carbocation (d) None of the above. | A | 1 |
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