Entry Test MCQ :: Aromatic Hydrocarbons
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| 31. |
What is required other than anhydrous A?C?3 when toluene is prepared by Friedal craft reaction? |
| A. |
C6H6 |
B. |
C6H6 + CH3C? |
| C. |
C6H5C2H5 |
D. |
C6H5C? & CH3Cl |
Answer: Option B
Explanation:
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| 32. |
Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as |
| A. |
Dows process |
B. |
Friedel & Craft acylation |
| C. |
Friedel & Craft alkylation |
D. |
Clemmenson reduction |
Answer: Option C
Explanation:
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| 33. |
Which one of the following radical is called benzyl radical? |
| A. |
C6H5? |
B. |
C6H5?C |
| C. |
C6H5?CH- |
D. |
C6H5?CH2- |
Answer: Option D
Explanation:
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| 34. |
Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 |
| A. |
Toluene |
B. |
Ethyl benzene |
| C. |
n-propyl benzene |
D. |
All |
Answer: Option D
Explanation:
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| 35. |
Ozonolysis of benzene produces |
| A. |
Glycol |
B. |
Glyoxal |
| C. |
Vicinal diol |
D. |
Both b & c |
Answer: Option B
Explanation:
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| 36. |
Which one of the following is benzal chloride? |
| A. |
C6H5 CH2C? |
B. |
C6H5 CHC?2 |
| C. |
C6H5 -CH = CHC? |
D. |
None of the above |
Answer: Option B
Explanation:
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| 37. |
What is the molecular formula of Benzenetriozonide? |
Answer: Option A
Explanation:
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| 38. |
The hydrolysis of Benzenetrizonide will yield three moles of |
| A. |
Glyoxime |
B. |
Benzaldehyde |
| C. |
Glycol |
D. |
Glyoxal |
Answer: Option D
Explanation:
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