MCQ
Strongest ionic bond is present in
- A$MgF_2$
- B$Na_2O$
- ✓$MgO$
- D$NaCl$
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$N{H_4}HS(s) \rightleftharpoons N{H_3}(g) + H_2S(g)$
Predict the effect of adding the inert gas
[Use: $\left.\mathrm{R}=8.3 \,\mathrm{~J} \,\mathrm{~mol}^{-1}\, \mathrm{~K}^{-1}\right]$
Minimum temperature at which it will become spontaneous is ..... $K.$(Integer)