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Common Oxidation States

What is the o...

Question

What is the oxidation no. Of B in NaBH4

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Solution

Oxidation state of boron in NaBH4 is+3

Oxidation state of Na is +1

Oxidation state of hydrogen in NaBH4 is-1 becausehere hydrogen acts ashydride.

so if oxidation state of B is x then

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

x = +3

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