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प्रश्न
Complete the synthesis by giving missing starting material, reagent or product.
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उत्तर
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संबंधित प्रश्न
Arrange the following in the increasing order of their reactivity towards nucleophilic addition reaction:
C6H5COCH3, CH3-CHO, CH3COCH3
Predict the products of the following reactions:
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.
Ethanal, Propanal, Propanone, Butanone.
Hint: Consider steric effect and electronic effect.
Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
How will you bring about the following conversion in not more than two steps?
Bromobenzene to 1-Phenylethanol
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.
How will you convert sodium acetate to methane?
Acetone, Acetaldehyde, Benzaldehyde, Acetophenone – reactivity towards addition of HCN.
Write a test to differentiate between pentan-2-one and pentan-3-one.
The pH of blood does not appreciably change by a small addition of acid or base because
Which one of the following gives only one monochloro derivative?
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Draw the structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Give an example of the reaction in the following case.
Imine
