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प्रश्न
How will you bring about the following conversion in not more than two steps?
Bromobenzene to 1-Phenylethanol
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
What is meant by the following term? Give an example of the reaction in the following case.
Semicarbazone
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Excess ethanol and acid
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.
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
What is the action of the following reagents on ethanoic acid?
1) `LiAlH_4"/"H_3O^+`
2) `PCl_3 , "heat"`
3) `P_2O_5, "heat"`
What are amines?
How will you convert sodium acetate to methane?
Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reaction like aldehydes or ketones. Why?
Which one of the following gives only one monochloro derivative?
Paraldehyde is formed as a result of polymerisation:-
Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.
What happens when propanone is treated with CH3MgBr and then hydrolysed?
The product "P" in the above reaction is:
The increasing order of the following compounds towards HCN addition is:
| (i) |  |
| (ii) |  |
| (iii) |  |
| (iv) |  |
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?
The product of the following reaction is
\[\begin{array}{cc}
\ce{O}\phantom{.........}\\
||\phantom{.........}\\
\ce{C2H5 - C - CH3 ->[H2/Ni][\Delta] \phantom{..}?}\end{array}\]
Draw the structure of the given derivative.
The ethylene ketal of hexan-3-one
