MCQ
Which isomer of xylene can give three different monochloroderivatives ?
- A$o-$ xylene
- ✓$m-$ xylene
- C$p-$ xylene
- Dxylene cannot give a monochloro derivative
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Given that the lonic product of $Ni ( OH )_{2}$ is $2 \times 10^{-15}$
$xBrO_3\,^-+ yCr^{+3} + zH_2O \to Br_2 + CrO_4 ^{-2} + H^+$
the coefficients $x, y, z$ are