MCQ
$A$ is
  • A

  • B

  • C


Answer

Correct option: D.

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

Choose the correct statement
Which of the following pairs of compounds are positional isomers ?
The equilibrium constant for the reaction

$SO_3(g) \rightleftharpoons  SO_2(g)+ \frac{1}{2} O_2(g)$

is $K_c= 4.9 \times 10^{-2}.$ The value of $K_c$ for the reaction

$2SO_2(g) + O_2(g) \rightleftharpoons  2SO_3(g)$

will be

Liquids $A$ and $B$ form an ideal solution. At $30\,^oC,$ the total vapour pressure of a solution containing $1\,mol$ of $A$ and $2\,mol$ of $B$ is $250\,\,mm\,Hg.$ The total vapour pressure becomes $300\,\,mm\,Hg$ when $1$ more mol of $A$ is added to the first solution. The vapour pressures of pure $A$ and $B$ at the same temperature are
Which one of the following pairs is an example of polar molecular solids?
During electrolysis of aq. $NaCl$ , if $3\ mole$ of $H_2O$ are electrolysed then how much charge is required if current efficiency is $75\ \%$ .............. $\mathrm{F}$
The ionization constant of a certain weak acid is ${4}$. What should be the [salt] to [acid] ratio if we have to prepare a buffer with $ pH = 5$  using this acid and one of the salts
Which of the following arylamines will not form a diazonium salt on reaction with  sodium nitrite in hydrochloric acid ?
In the reaction the major product formed is
Consider the given reaction :

$\begin{array}{*{20}{c}}
  O \\ 
  {||} \\ 
  {C{H_3} - C - C{H_3}} 
\end{array}\xrightarrow{{{C_6}{H_5}COOOH}}\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - C{H_3}} 
\end{array}$

The above reaction is known as :