Q. No.Consider the reactions:
Identify A, X, Y and Z
1. A- Methoxymethane, X-Ethanol, Y-Ethanoic acid, Z-Semicarbazide.
2. A- Ethanal, X-Ethanol, Y-But-2-enal, Z-Semicarbazide.
3. A- Ethanol, X-Acetaldehyde, Y-Butanone, Z-Hydrazone.
4. A- Methoxymethane, X-Ethanoic acid, Y-Acetate, Z-Hydrazine.
Identify A, X, Y and Z
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Which of the following reactions is appropriate for converting acetamide to methanamine?
1. Hoffmann hypobromamide reaction
2. Stephens reaction
3. Gabriels phthalimide synthesis
4. Carbylamine reaction
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CH2=CH-CHO+HCNA(Major),
the compound 'A' is
1. CH2=CH-CH-CH(OH)(CN)
2. CH3-CH(CN)-CHO
3. CH2(CN)-CH2-CHO
4. CH3-C(OH)(CN)-CH3
The slowest step of Cannizarro's reaction is
1. Attack of nucleophilic
2. Hydride shift
3. Formation of anion
4. Transfer of proton
+Br2 ?
Product,
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A B;B is
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