Propan-1-ol may be prepared by reaction of propene with -
1. CH3COOH
2. H3BO3
3. B2H6/NaOH-H2O2
4. H2SO4/H2O
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The formula for allyl alcohol is-
1. CH3-CH=CHOH
2. CH2=CHCH2OH
3. HOCH2CH2CH3
4. None of the above.
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The correct order of the acidic strength for the above compounds is -
(I) | (II) | (III) |
1. I > II > III
2. III > I > II
3. II > III > I
4. I > III > II
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The boiling point of ethanol is higher than that of dimethyl ether due to the 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 Williamson's synthesis reaction among the following is -
1. | |
2. | |
3. | \(C_2H_5I + C_2H_5ONa \rightarrow C_2H_5-O-C_2H_5 + NaI\) |
4. |
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Given is a reaction for your reference:
\(CH_3CH_2CH_2OH \xrightarrow[160\ - \ 180 ^\circ C]{Conc.\ H_2SO_4}\ X\ \xrightarrow{Br_2}\ Y\)
\( Y\ \xrightarrow[2.\ NaNH_2]{1.\ Alc.\ KOH}\ Z\)
The final product Z is:
1. | 2. | ||
3. | 4. | \(CH_3-C\equiv CH\) |
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The decreasing order of boiling points of \(1^\circ\), \(2^\circ\), and \(3^\circ\) alcohol is-
1. \(1^\circ\)> \(2^\circ\)> \(3^\circ\)
2. \(3^\circ\)> \(2^\circ\)> \(1^\circ\)
3. \(2^\circ\) > \(1^\circ\) > \(3^\circ\)
4. None of the above
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Consider the following alcohols,
I. | |
II. | |
III. | |
IV. |
Ease of dehydration of the above alcohols will be in the order of-
1. | I < II < III < IV | 2. | I > II > III > IV |
3. | III < II < I < IV | 4. | II < III < IV < I |
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The strongest acid among the following aromatic compounds is -
1. | p-Chlorophenol | 2. | p-Nitrophenol |
3. | m-Nitrophenol | 4. | o- Nitrophenol |
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An aromatic compound A (C8H10O) gives the following tests with the given reagents.
The structure of 'A' is:
1. | 2. | ||
3. | 4. |
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