Entry Test MCQ :: Alcohols Phenols and Ethers
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| 1. |
Which one of the following is termed as benzul alcohol? |
| A. |
C6H5OH |
B. |
C6H5CH(OH)2 |
| C. |
C6H5CH2OH |
D. |
C6H5COOH |
Answer: Option C
Explanation:
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| 2. |
Which one of the following is also known as lactic acid? |
| A. |
3-Hydroxy propanoic acid |
B. |
2-Hydroxy propanoic acid |
| C. |
2-hydroxy butanoic acid |
D. |
3-hydroxy butanoic acid |
Answer: Option B
Explanation:
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| 3. |
Which one of the following is also known as tartaric acid? |
| A. |
2 3-dihydroxy butance 1 4 -dioic acid |
B. |
2 3 -dihydroxy butanedioic acid |
| C. |
2 3 -dihydroxy butanioc acid |
D. |
2 2 -dihydroxy butanoic acid |
Answer: Option A
Explanation:
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| 4. |
Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce |
| A. |
methanal |
B. |
methanol |
| C. |
carbonic acid |
D. |
methane |
Answer: Option B
Explanation:
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| 5. |
The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called |
| A. |
Mother liquor |
B. |
Filterate |
| C. |
Extract |
D. |
Molasses |
Answer: Option D
Explanation:
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| 6. |
The formula of starch is |
| A. |
C12H22O11 |
B. |
C6H10O5 |
| C. |
(C6H10O5)n |
D. |
C6H12O6 |
Answer: Option C
Explanation:
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| 7. |
The process of fermentation of starch involve many enzymes the sequence of enzymes used are |
| A. |
Diastase-maltase-zymase |
B. |
Zymase-maltase-diastase |
| C. |
Maltase-diastase-zymase |
D. |
Diastase-zymase-maltase |
Answer: Option A
Explanation:
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| 8. |
The rectified spirit contains |
| A. |
12% alcohol |
B. |
90% alcohol |
| C. |
95% alcohol |
D. |
100% alcohol |
Answer: Option C
Explanation:
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| 9. |
K2Cr2O7/H2SO4 generate |
| A. |
Oxygen |
B. |
Hydrogen |
| C. |
Nascent oxygen[O] |
D. |
Nascent hydrogen[H] |
Answer: Option C
Explanation:
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| 10. |
The oxidation of isopropyl alcohol will yield |
| A. |
propane |
B. |
Propanol |
| C. |
Propanone |
D. |
Propanoic acid |
Answer: Option C
Explanation:
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