The group that activates the benzene ring towards electrophilic substitution reaction is:
1. | OH | 2. | NO2 |
3. | CN | 4. | COOH |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe alkoxy group in aryl alkyl ethers activates the benzene ring towards:
1. Nucleophilic addition reaction
2. Electrophilic addition reaction
3. Nucleophilic substitution reaction
4. Electrophilic substitution reaction
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene is/are :
1. | |
2. | |
3. | \(\mathrm{CH_3-CH_2-CH_2-O-CH_3+HBr}\) |
4. | \(\mathrm{(CH_3)_3C-OC_2H_5+HI}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Kolbe’s reaction,
the product formed will be:
1. para-Salicylaldehyde
2. ortho-Salicylaldehyde
3. para-Salicylic acid
4. ortho-Salicylic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Reimer-Tiemann reaction,
the product will be:
1. ortho-Salicylaldehyde
2. para-Salicylaldehyde
3. meta-Salicylaldehyde
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Williamson ether synthesis, the major product would be:
1. 1-Methoxypropane
2. 2-Methoxypropane
3. 3-Methoxypropane
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUnsymmetrical ether will be the product in:
1. Kolbe’s reaction.
2. Reimer-Tiemann reaction.
3. Williamson ether synthesis.
4. None of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology