MCQ
Strongest ionic bond is present in
  • A
    $MgF_2$
  • B
    $Na_2O$
  • $MgO$
  • D
    $NaCl$

Answer

Correct option: C.
$MgO$
c
Strength of ionic bond $ \propto LE \propto \frac{{{\rm{charge}}}}{{{\rm{size}}}}$

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 one of the following is most reactive towards electrophilic attack ?
$\ce{H_2​O}$ is a:
For a reaction ${H_2} + {I_2}$ $\rightleftharpoons$ $2HI$ at $721\,K$, the value of equilibrium constant is $50$. If $0.5$ mols each of ${H_2}$ and ${I_2}$ is added to the system the value of equilibrium constant will be
What is the equilibrium expression for the reaction ${P_{4(s)}} + 5{O_{2(g)}}$ $\rightleftharpoons$ ${P_4}{O_{10(s)}}$
In which of the following molecules all the bonds are not equal
Nitrating mixture is
Some inert gas is added at constant volume to the following reaction at equilibrium

$N{H_4}HS(s) \rightleftharpoons N{H_3}(g) + H_2S(g)$

Predict the effect of adding the inert gas

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to
For water $\Delta_{\text {vap }} \mathrm{H}=41 \mathrm{~kJ} \mathrm{~mol}^{-1}$ at $373 \mathrm{~K}$ and 1 bar pressure. Assuming that water vapour is an ideal gas that occupies a much larger volume than liquid water, the internal energy change during evaporation of water is $...... \mathrm{kJ}\, \mathrm{mol}^{-1}$

[Use: $\left.\mathrm{R}=8.3 \,\mathrm{~J} \,\mathrm{~mol}^{-1}\, \mathrm{~K}^{-1}\right]$

For a chemical reaction $A+B \rightleftharpoons C+D$ $\left(\Delta_{r} H^{0}=80 \,k J\right.$ $mol\,^{-1}$ ) the entropy change $\Delta_{r} S^{0}$ depends on the temperature $T$ (in $K$ ) as $\left(\Delta_{ r } S ^{0}=2 T \left(\, J \,K ^{-1}\, mol ^{-1}\right)\right.$

Minimum temperature at which it will become spontaneous is ..... $K.$(Integer)