MCQ
Which one is polar molecule among the following
  • A
    $C{O_2}$
  • B
    $CC{l_4}$
  • ${H_2}O$
  • D
    $C{H_4}$

Answer

Correct option: C.
${H_2}O$
(c) ${H_2}O$ is a polar molecule due to electronegativity difference of hydrogen and oxygen.

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

Assertion : Buffer system of carbonic acid and sodium bicarbonate is used for the precipitation of hydroxides of third group elements.
Reason : It maintains the $pH$ to a constant value, about $7.4.$
Cellulose upon acetylation with excess acetic anhydride $/ \mathrm{H}_2 \mathrm{SO}_4$ (catalytic) gives cellulose triacetate whose structure is
Find number of electrons present in $34\,g$ of $NH_3(g)$. .....................$N_A$
To an acidified dichromate solution, a pinch of $Na_2O_2$ is added and shaken. What is observed:
After how many seconds will the concentration of the reactants in a first order reaction be halved, if the decay constant is ${\rm{1}}{\rm{.155}} \times {\rm{1}}{{\rm{0}}^{{\rm{ - 3}}}}\,{\sec ^{ - 1}}$ ........... $\sec$
At low concentrations, the statement that equimolal solutions under a given set of experimental conditions have equal osmotic pressure is true for
A positive carbylamine test is given by :-

$(a)$ $N,N-$ Dimethylaniline

$(b)$ $2,4 -$ Dimethylaniline

$(c)$ $N -$ methy $l-o-$ methylaniline

$(d)$ $p -$ Methylbenzylamine

The correct order of electron affinity is
For the cell,

$\mathop {Pt\,|\,C{l_2}\left( g \right)}\limits_{\left( {0.4\,bar} \right)} \,|\,\mathop {C{l^ - }\left( {aq.} \right)}\limits_{0.1\,M} \,||\,\,\mathop {C{l^ - }\left( {aq.} \right)}\limits_{0.01} \,|\,\mathop {C{l_2}\left( g \right)\,|\,Pt}\limits_{0.2\,bar} $

the measured potential at $298\, K$ is .............. $\mathrm{V}$

Correctly matched products are