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प्रश्न
Write balanced chemical equations for action of ammonia on - formaldehyde
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उत्तर
a. 6HCHO + 4NH3 → (CH2)6N4 + 6H2O
Formaldehyde Urotropine
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संबंधित प्रश्न
Acetaldehyde, when treated with which among the following reagents does NOT undergo addition reaction?
(A) Ammonia
(B) Hydroxylamine
(C) Ammoniacal silver nitrate
(D) Semicarbazide
Predict the products of the following reactions:
Write the products formed when CH3CHO reacts with the following reagents : H2N – OH
Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.
Hint: Consider steric effect and electronic effect.
Predict the product of the following reaction:
Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
PhMgBr and then H3O+
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Complete the synthesis by giving missing starting material, reagent or product.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Complete the synthesis by giving missing starting material, reagent or product.
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
Write balanced chemical equations for action of ammonia on - acetone
How will you convert sodium acetate to methane?
Write a test to differentiate between pentan-2-one and pentan-3-one.
Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reaction like aldehydes or ketones. Why?
Which of the following has the most acidic hydrogen?
A Idol condensation will not be observed in
The most stable reagent for the conversion of R – CH2OH → RCHO is
Which will undergo faster nucleophilic addition reaction?
Acetaldehyde or Propanone
The product "P" in the above reaction is:
Which of the following is most reactive in nucleophilic addition reactions?
Aldehydes and ketones react with hydroxylamine to form ______.
Out of p-tolualdehyde and p-nitrobenzaldehyde, which one is more reactive towards nucleophilic addition reactions, why?
Draw the structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative:
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the given derivative.
The ethylene ketal of hexan-3-one
