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JEE Main levelSingle correct optionDifficulty 2 of 3bn135

What is the AVERAGE oxidation number of C in acetic acid, $CH X_{3} COOH$ (H is $+ 1$ , O is $- 2$ )?

A $0$
B $+ 2$
C $- 2$
D $+ 4$

Answer: A

2 x + 4 (+ 1) + 2 (- 2) = 0

gives

x = 0

as the average of the two carbons (

- 3

and

+ 3

).

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