MCQ
Which of the following is polar?

  • B

  • C

  • D
    All

Answer

Correct option: A.

a

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

Which is the lightest element in the universe?
$N_2(g) + 3H_ 2(g)  \rightleftharpoons 2NH_3(g); K_1$

$ NH_3(g)  \rightleftharpoons \frac{1}{2}\,{N_2}\left( g \right) + \frac{3}{2}{H_2}\left( g \right);\,{K_2}$

$\frac{1}{2}\,{N_2}\left( g \right) + \frac{3}{2}{H_2}\left( g \right)  \rightleftharpoons NH_3(g); K_3$

$2NH_3(g)  \rightleftharpoons N_2(g) + 3H_2(g); K_4$

If $K_1 = K_2^x = K_3^y = K_4^z$ then correct values of $x, y$ and $z$ are respectively

Hydrogen bonding is not present in
At temperature, $T$, a compound $A{B_{2\left( g \right)}}$ dissociates according to the reaction; $2A{B_{2\left( g \right)}} \rightleftharpoons 2A{B_{\left( g \right)}} + {B_{2\left( g \right)}}$ with a degree of dissociation $x$, which is small compared with unity. The expression for $K_p$, in terms of $x$ and the total pressure, $P$ is
The number of unpaired electrons in ${O_2}$ molecule 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 $1\,L$  of  $0.05\,\,M$  solution of silver nitrate to start the precipitation of  $AgBr$  is 
From the following bond energies :

$H - H$ bond energy $:\, 431.37 \,kJ\, mol^{-1}$
$C= C$ bond energy $:\, 606.10\, kJ \,mol^{-1}$
$C - C$ bond energy $:\, 336.49\, kJ\, mol^{-1}$
$C - H$ bond energy $:\, 410.50\, kJ\, mol^{-1}$

Enthalpy for the reaction,

$\begin{array}{*{20}{c}}
  {H\,\,\,\,H} \\ 
  {|\,\,\,\,\,\,\,\,|} \\ 
  {C = C} \\ 
  {|\,\,\,\,\,\,\,\,\,|} \\ 
  {H\,\,\,\,H} 
\end{array}\, + \,H - H\, \to \,\begin{array}{*{20}{c}}
  {H\,\,\,\,H} \\ 
  {|\,\,\,\,\,\,\,\,|} \\ 
  {H - C - C - H} \\ 
  {|\,\,\,\,\,\,\,\,\,|} \\ 
  {H\,\,\,\,H} 
\end{array}\,$

will be  .............. $\mathrm{kJ \,mol}^{-1}$

For complete neutralization of $HCl$ with $NaOH,$ the heat of neutralization is ......$kJ\,mo{l^{ - 1}}$
Keto-enol tautomerism is found in
For which of the following parameters the structural isomers ${C_2}{H_5}OH$ and $C{H_3}OC{H_3}$ would be expected to have the same values ? (Assume ideal behaviour)