MCQ
Which one of the following molecules has maximum dipole moment?
  • A
    $\mathrm{NF}_3$
  • B
    $\mathrm{CH}_4$
  • $\mathrm{NH}_3$
  • D
    $\mathrm{PF}_5$

Answer

Correct option: C.
$\mathrm{NH}_3$
c
$\mathrm{CH}_4 \& \mathrm{PF}_5, \mu_{\text {pet }}=0$ (non polar)

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

If EA, EB and EC represent kinetic energies of an electron, alpha particle and proton respectively and each moving with same de-Broglie wavelength, then choose the correct increasing representation,
Choose the correct order for the given properties
In graphite $C -C$ bond length $(141.5\, pm)$ found to be shorter than normal $C -C$ bond length $(154 \, pm)$ this anomaly occurs due to
Identify the product $(C)$ in the following series of reaction
Favourable conditions for electrovalency are
Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from
The total number of orbitals in an energy level designated by principal quantum number $n$ is equal to
Number of optical isomers in the open chain structure of glucose is
For the reaction $2 \mathrm{NO}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{N}_{2} \mathrm{O}_{4}(\mathrm{~g})$, when $\Delta \mathrm{S}=-176.0\, \mathrm{JK}^{-1}$ and $\Delta \mathrm{H}=-57.8\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}$, the magnitude of $\Delta \mathrm{G}$ at $298\, \mathrm{~K}$ for the reaction is $......\,\mathrm{kJ} \mathrm{mol}^{-1} .$ (Nearest integer)
Match List $I$ with List $II$

List-$I$ (Elements) List-$II$(Properties in their respective groups)
$A$ $\mathrm{Cl}, \mathrm{S}$ $I$ Elements with highest electronegativity
$B$ $\mathrm{Ge}, \mathrm{As}$ $II$ Elements with largest atomic size
$C$ $\mathrm{Fr}, \mathrm{Ra}$ $III$ Elements which show properties of both metals and non metal
$D$ $\mathrm{F}, \mathrm{O}$ $IV$ Elements with highest negative electron gain enthalpy

Choose the correct answer from the options given below :