MCQ
In which compound, the oxidation state of phosphorus is $+4$
- A${P_4}{O_{11}}$
- ✓${P_4}{O_8}$
- C$PC{l_5}$
- D$NC{l_5}$
$4 x+(-2 \times 8)=0$
$4 x-16=0$
$x=\frac{16}{4}=+4$
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Item$-I$ Item$-II$
$(I)$ Benzene $( P )$ $HCl$ and $SnCl _{2}, H _{3} O ^{+}$
$(II)$ Benzonitrile $(Q)$ $H _{2}, Pd - BaSO _{4}, S$ and quinoline
$(III)$ Benzoyl Chloride $(R)$ $CO , HCl$ and $AlCl _{3}$