JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
Among the following compounds, geometrical isomerism is exhibited by :
Which of the following compounds shows geometrical isomerism?
Two compounds $A$ and $B$ with same molecular formula $({C}_{3}{H}_{6}O)$ undergo Grignard reaction with methylmagnesium bromide to give products $C$ and $D$. Products $C$ and $D$ show following chemical tests. <table class="pyq-table"><tbody><tr><td>Test</td><td>C</td><td>D</td></tr><tr><td>Ceric ammonium nitrate Test</td><td>Positive</td><td>Positive</td></tr><tr><td>Lucas Test</td><td>Turbidity obtained after five minutes</td><td>Turbidity obtained Immediately</td></tr><tr><td>Iodoform Test</td><td>Positive</td><td>Negative</td></tr></tbody></table>$C$ and $D$ respectively are
In an estimation of bromine by Carius method, $1.6g$ of an organic compound gave $1.88g$ of $\mathrm{AgBr}$. The mass percentage of bromine in the compound is $\ldots ..$ $($Atomic mass, $\mathrm{Ag}=108,\mathrm{Br}=80{\mathrm{gmol}}^{-1}$
The major product $(Y)$ in the following reactions is: 
$1$-methyl ethylene oxide when treated with an excess of $HBr$ produces
The correct order of the calculated spin-only magnetic moments of complexes $(A)$ to $(D)$ is: $(A)$ $Ni{(CO)}_{4}$ $(B)$ $[Ni{({H}_{2}O)}_{6}]C{l}_{2}$ $(C)$ $N{a}_{2}[Ni{(CN)}_{4}]$ $(D)$ $PdC{l}_{2}{(PP{h}_{3})}_{2}$
Which of the following compounds will form the precipitate with $\mathrm{aq}.{\mathrm{AgNO}}_{3}$ solution most readily?
Consider the following reactions:     Which of these reactions are possible?
Polysubstitution is a major drawback in:
In the reaction given below what will be the major product at the end : 
The major product 'X' formed in the following reaction is: 
In the following reaction carbonyl compound $+MeOH\overset{HCl}{\rightleftharpoons }acetal$ Rate of the reaction is the highest for:
Which of the following tests cannot be used for identifying amino acids?
Which of the following statements is not true about sucrose?
Heating of 2-chloro-1-phenylbutane with $EtOK/EtOH$ gives $X$ as the major product. Reaction $X$ with $Hg{(OAc)}_{2}/{H}_{2}O$ followed by $NaB{H}_{4}$ gives $Y$ as the major product. $Y$ is:
Among the following four aromatic compounds, which one will have the lowest melting point?
The major product of the following reaction is: $C{H}_{3}CH=CHC{O}_{2}C{H}_{3}\overset{LiAl{H}_{4}}{\rightarrow }$
The test performed on compound $x$ and their inferences are: <table class="pyq-table"><tbody><tr><td>Test</td><td>Inference</td></tr><tr><td>$(a)$ $2, 4$ - $DNP$ test</td><td>Coloured precipitate yellow</td></tr><tr><td>$(b)$ Iodoform test</td><td>Yellow precipitate</td></tr><tr><td>$(c)$ Azo-dye test</td><td>No dye formation</td></tr></tbody></table>Compound $'x'$ is:
In the following compound,  the favourable site/s for protonation is/are :
In the following reactions, products $A$ and $B$ are:  
Which of the following statements is not true about RNA?
Among the following compounds, which one is found in RNA?
The major product of the following reaction is: 