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JEE Main levelSingle correct optionDifficulty 2 of 3bn014

Carbon suboxide has the formula $C X_{3} O X_{2}$ (O is $- 2$ ). What is the AVERAGE oxidation number of carbon?

A $+ \frac{2}{3}$
B $+ 2$
C $+ \frac{4}{3}$
D $+ 4$

Answer: C

3 x + 2 (- 2) = 0

, so

x = + \frac{4}{3}

.

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