MCQ
Which compound will not undergo decarboxylation on heating ?
  • A

  • B
    $\begin{array}{*{20}{c}}
    {Ph - C - C{H_2} - COOH}\\
    {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • C
    $\begin{array}{*{20}{c}}
    {C{H_3} - C - C{H_2} - COOH}\\
    {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {NH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • $\begin{array}{*{20}{c}}
    {C{H_2} - COOH}\\
    {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {C{H_2} - COOH}
    \end{array}$

Answer

Correct option: D.
$\begin{array}{*{20}{c}}
{C{H_2} - COOH}\\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_2} - COOH}
\end{array}$
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Amongst  $Ti{F_6}^{2 - }\,,\,Co{F_6}^{3 - }\,,\,C{u_2}C{l_2}$ and $NiCl_4^{2-}$ the colourless species are 
Taking into account the stability of various carbocations and, as well as the rules  governing mechanisms of carbocation rearrangements, which reaction is most  likely to occur during the given reaction ?
The reaction of ${C_2}{H_5}OH$ with ${H_2}S{O_4}$ does not give
For a cell, $Cu ( s ) \mid Cu ^{2+}\left(0.001 M || Ag ^{+}(0.01\,M ) \mid Ag ( s )\right.$ the cell potential is found to be $0.43\,V$ at $298 K$. The magnitude of standard electrode potential for $Cu ^{2+} / Cu$ $.........\times 10^{-2}\,V$

$\left[\text { Given }: E _{ Ag ^{+} / Ag }^{\Theta}=0.80 V \text { and } \frac{2.303 \,RT }{ F }=0.06\,V \right]$

Arrange the following orbitals in decreasing order of energy ?

$(A)$ $n =3,1=0, m =0$

$(B)$ $n =4, l =0, m =0$

$(C)$ $n =3, l =1, m =0$

$(D)$ $n =3, l =2, m =1$

The correct option for the order is :

Solubility product of silver bromide is $5.0 \times 10^{-13}.$ The quantity of potassium bromide (molar mass taken as $120\, g\,mol^{-1}$) to be added to $1$ litre of $0.05\, M$ solution of silver nitrate to start the precipitation of $AgBr$ is
In the following members of transition elements, the lowest ionization energy is of
Given below are two statements :

Statement $(I)$ : Aqueous solution of ammonium carbonate is basic.

Statement $(II)$ : Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on $\mathrm{K}_{\mathrm{a}}$ and $K_b$ value of acid and the base forming it.In the light of the above statements, choose the most appropriate answer from the options given below :

The silver salt of a fatty acid on refluxing with an alkyl halide gives an
The weakest Lewis acid is