Entry Test MCQ :: Alcohols Phenols and Ethers
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| 11. |
Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate? |
| A. |
Primary alcohol |
B. |
Secondary alcohol |
| C. |
Tertiary alcohol |
D. |
All of above |
Answer: Option C
Explanation:
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| 12. |
The distinction test for primary secondary and tertiary alcohol required to react each of them is |
| A. |
Cone. HCI and anhydrous SOCl2 |
B. |
Cone. HCI and anhydrous CaCl2 |
| C. |
Cone. HCI and anhydrous PCl2 |
D. |
Cone. HCI and anhydrous ZnCl2 |
Answer: Option D
Explanation:
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| 13. |
Which compound is also known by the name of carbolic acid? |
Answer: Option C
Explanation:
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| 14. |
The given dissociation constant (Ka) value 1.3x10-10 is of |
| A. |
Alcohol |
B. |
Acetic acid |
| C. |
Water |
D. |
Phenol |
Answer: Option D
Explanation:
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| 15. |
Heating phenol with Zn will yield |
| A. |
Benzene |
B. |
Benzoic acid |
| C. |
Phenoxide |
D. |
Cyclohexane |
Answer: Option A
Explanation:
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| 16. |
When phenol is heated with concentrated nitric acid the product is |
| A. |
Picric acid |
B. |
o-nitrophenol |
| C. |
1 3 5 -trinitro benzene |
D. |
p-nitrophenol |
Answer: Option A
Explanation:
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| 17. |
Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is |
| A. |
oxidation |
B. |
elimination |
| C. |
condensation polymerization |
D. |
additional polymertization |
Answer: Option C
Explanation:
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| 18. |
Which compound shows hydrogen bonding? |
Answer: Option D
Explanation:
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| 19. |
Ethanol can be converted into ethanoic acid by |
| A. |
Hydrogenation |
B. |
Hydration |
| C. |
Oxidation |
D. |
Fermentation |
Answer: Option C
Explanation:
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| 20. |
Methyl alcohol is not used |
| A. |
As a solvent |
B. |
As an antifreezing agent |
| C. |
As a substitute for petrol |
D. |
For denaturing of ethyl alcohol |
Answer: Option C
Explanation:
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