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The oxidation number of an element in a ...

The oxidation number of an element in a compound is evaluated on the basis of certain rules. Which of the following rules is not correct in this respect ?

A

The oxidation number of hydrogen is always +1

B

The algebraic sum of all the oxidation numbers in a compound zero

C

An element in the free or the uncombined state bears oxidation number zero

D

In all its compouinds the oxidatiuon number of fluorine is -1

Text Solution

Verified by Experts

Oxidation number (O.N) of hydrogen is also -1 in metal hydrides (e.g NaH)
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