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प्रश्न
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
विकल्प
Grignard reagent
Sn/HCl
hydrazine in presence of slightly acidic solution
hydrocyanic acid
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उत्तर
hydrazine in presence of slightly acidic solution
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संबंधित प्रश्न
Which of the following is Schiff's reagent?
The compound which does NOT undergo haloform reaction is ____________.
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‘B’ is:
Phenyl methanal is reacted with concentrated NaOH to give two products X and Y. X reacts with metallic sodium to liberate hydrogen X and Y are ____________.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Which from following tests confirms presence of aldehydic group in glucose?
