MCQ
Which hydroxide will have lowest value of solubility product at normal temperature $({25\,^o}C)$
- A$Mg\,{(OH)_2}$
- B$Ca\,{(OH)_2}$
- C$Ba\,{(OH)_2}$
- ✓$Be\,{(OH)_2}$
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$(a)$ The vapour pressure of water at $280 K$ is $14.2$ $mm Hg$
$(b)$ $R =0.082 L$ atm $K ^{-1} mol ^{-1}$