The oxidation numbers of \( \mathrm{C} \) in \( \mathrm{HCN} \) and \( \mathrm{HNC} \), respecti...

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The oxidation numbers of \( \mathrm{C} \) in \( \mathrm{HCN} \) and \( \mathrm{HNC} \), respectively, are
(a) \( +2,+2 \)
(b) \( +2,+4 \)
(c) \( +4,+4 \)
(d) \( -2,-2 \)
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