Chlorobenzene reacts with Mg in dry ether to give a compound (A) which further reacts
with ethanol to yield
1. phenol
2. benzene
3. ethyl benzene
4. phenyl ether
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Ethyl alcohol is denatured by:
1. Methanol and formic acid
2. KCN
3. CH3OH and C6H6
4. CH3OH and pyridine
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The compound B formed in the following sequence of reactions,
CH3CH2CH2OHAB will be:
1. Propyne
2. Propene
3. Propanal
4. Propane
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The boiling point of ethanol is higher than that of dimethyl ether due to presence of-
1. H-bonding in ethanol
2. H-bonding in dimethyl ether
3. -CH3 group in ethanol
4. -CH3 group in dimethyl ether
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The correct order of the acidic strength among for the above compounds is -
1. I>II>III
2. III>I>II
3. II>III>I
4. I>III>II
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Tautomerism is not exhibited by-
1.
2.
3.
4.
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Which of the following has highest boiling point?
1. Benzene
2. Phenol
3. Toluene
4. Ethyl benzene
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The most acidic compound among the following is-
1.
2.
3.
4.
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p-nitrophenol is stronger acid than phenol because nitro group is:
1. Electron withdrawing
2. Electron donating
3. Basic
4. Acidic
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The -OH group of an alcohol or the -COOH group of a carboxylic acid on can be replaced
by -Cl using
1. phosphorus pentachloride
2. hypochlorous acid
3. chlorine
4. hydrochloric acid
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