MCQ
Which solution has the highest $pH $ value
- ✓$1\,M\,KOH$
- B$1\,M\,{H_2}S{O_4}$
- CChlorine water
- DWater containing carbon dioxide
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${H_2} + \frac{1}{2}{O_2} \to \,{H_2}O + 68.3\,kcal$
$C{H_4} + 2{O_2}\, \to \,C{O_2} + 2{H_2}O + 210.8\,kcal$ Then the possible heat of methane will be.....$ kcal$
($A$) tetranuclear $\left[\mathrm{B}_4 \mathrm{O}_5(\mathrm{OH})_4\right]^{2-}$ unit
($B$) all boron atoms in the same plane
($C$) equal number of $s p^2$ and $s p^3$ hybridized boron atoms
($D$) one terminal hydroxide per boron atom
