JEE MAINS · Chemistry
Aldehydes and Ketones
170 practice questions for JEE Mains — 63 easy · 86 medium · 21 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Among the following compounds $I-\mathrm{IV},$ which one forms a yellow precipitate on reacting sequentially with (i) $\mathrm{NaOH}$ (ii) dil. $\mathrm{HNO}_{3}$ (iii) $\mathrm{AgNO}_{3}?$
MCQ
This reduction reaction is known as:
MCQ
In the following reaction $\mathrm{Aldehyde}+\mathrm{Alcohol}\overset{\mathrm{HCl}}{\rightarrow\,}\mathrm{Acetal}$ $Aldehyde$ $Alcohol$ $\mathrm{HCHO}$ $t-\mathrm{BuOH}$ $\mathrm{CH}_{3}\mathrm{CHO}$ $\mathrm{MeOH}$ The…
MCQ
Consider the above reaction, the product $X$ and $Y$ respectively are :
MCQ
In the following reaction $A$ is
Numerical
The number of molecules which gives haloform test among the following molecules is :
MCQ
Consider the following reaction sequence The product '$B$'is
MCQ
The number of stereoisomers possible for $1,2$-dimethyl cyclopropane is:
MCQ
Which compound would give $5-$keto$-2-$methyl hexanal upon ozonolysis?
Numerical
From the compounds given below, number of compounds which give positive Fehling's test is Benzaldehyde, Acetaldehyde, Acetone,Acetophenone,Methanal, 4-nitrobenzaldehyde,cyclohexane carbaldehyde.
MCQ
Find out the major products from the following reaction sequence?
MCQ
'A' and 'B' in the above reactions are: