MCQ
The $\Delta S$ for the vaporisation of $1$ $mol$ of water is $88.3 $ $J/mole\, K$ . The value of $\Delta S$ for the condensation of $1 $ $mol$ of vapour will be.......$ J/mol\, K$
- A$88.3$
- B${(88.3)^2}$
- ✓$-88.3$
- D$\frac{1}{{88.3}}$
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Statement $I$ : The metallic radius of $\mathrm{Na}$ is $1.86 \mathrm{~A}^{\circ}$ and the ionic radius of $\mathrm{Na}^{+}$is lesser than $1.86 \mathrm{~A}^{\circ}$.
Statement $II$ : Ions are always smaller in size than the corresponding elements.
In the light of the above statements, choose the correct answer from the options given below :
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Choose the correct option($s$).
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