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प्रश्न
How will you carry out the following conversions?
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उत्तर
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संबंधित प्रश्न
Write a short note on Hoffmann bromamide degradation.
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]
Mention 'two' uses of propan-2-one.
Answer in one sentence.
Predict the product of the following reaction.
\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]
Answer the following
Explain Gabriel phthalimide synthesis.
Alkyl cyanides on reduction by sodium and ethanol give primary amines. This reaction is called as ____________.
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
Reduction of nitrobenzene by which of the following reagent gives aniline?
(i) \[\ce{Sn/HCl}\]
(ii) \[\ce{Fe/HCl}\]
(iii) \[\ce{H2 - Pd}\]
(iv) \[\ce{Sn/NH4OH}\]
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
Suggest a route by which the following conversion can be accomplished.
Account for the following:
Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.
A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has
Which of the following reactions will not give a primary amine?
When primary amines are treated with HCl, the product obtained is which of the following?
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis
Write a short note on Ammonolysis.
Assertion: Amimonolysis of alkyl halides involves the reaction between alkyl halides and alcoholic ammonia.
Reason: Ammonolysis of alkyl halides produces secondary amines only.
