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प्रश्न
How will you carry out the following conversions?
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उत्तर
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संबंधित प्रश्न
How are propan-1-amine and propan-2-amine prepared from oxime?
Write the chemical equation involved in the following reaction:
Hoffmann-bromamide degradation reaction
Accomplish the following conversion:
Benzyl chloride to 2-phenylethanamine
Give the structures of A, B and C in the following reaction:
\[\ce{C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}\]
Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
Give a plausible explanation for the following:
Why are amines less acidic than alcohols of comparable molecular masses?
Answer the following
Identify A and B in the following reactions.
\[\ce{C6H5CH2Br->[alco.][KCN]A ->[Na/ethanol]B.}\]
Explain the following reaction with a suitable example.
Hofmann elimination reaction
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
Identify the INCORRECT statement regarding Hofmann bromamide reaction.
Which of the following reactions does NOT yield an amine?
Nitro compounds are reduced by iron scrap and hydrochloric acid to yield one of the following compounds:
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant?
Reduction of nitrobenzene by which of the following reagent gives aniline?
(i) \[\ce{Sn/HCl}\]
(ii) \[\ce{Fe/HCl}\]
(iii) \[\ce{H2 - Pd}\]
(iv) \[\ce{Sn/NH4OH}\]
Suggest a route by which the following conversion can be accomplished.
Identify A and B in the following reaction.
Account for the following:
Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.
