Advertisements
Advertisements
प्रश्न
Write balanced chemical equations for action of ammonia on - formaldehyde
उत्तर
a. 6HCHO + 4NH3 → (CH2)6N4 + 6H2O
Formaldehyde Urotropine
APPEARS IN
संबंधित प्रश्न
Draw the structure of the semicarbazone of ethanal.
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
Write the products formed when CH3CHO reacts with the following reagents : H2N – OH
What is meant by the following term? Give an example of the reaction in the following case.
Oxime
What is meant by the following term? Give an example of the reaction in the following case.
Imine
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketone (reactivity towards HCN)
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Give plausible explanation for the following:
There are two −NH2 groups in semicarbazide. However, only one is involved in the formation of semicarbazones.
Complete the synthesis by giving missing starting material, reagent or product.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Write the structure of Phenylmethanamine.
Acetone, Acetaldehyde, Benzaldehyde, Acetophenone – reactivity towards addition of HCN.
Which of the following compounds is most reactive towards nucleophilic addition reactions?
Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?
A Idol condensation will not be observed in
Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.
What happens when ethanal is treated with excess ethanol and acid?
The product of following reaction is
\[\ce{CH3 - CH = CH - CH2 - CHO ->[i) LiAlH4][ii) H3O+]}\] ______?
Aldehydes and ketones react with hydroxylamine to form ______.
Draw structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw the 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 structures of the following derivatives.
Acetaldehydedimethylacetal
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one