Chemistry, asked by robot30, 1 year ago

when do we write Hydroxide as (OH)2 and when as simply OH. Fast please​

Answers

Answered by chetan18603
3

Answer:

when one combines with OH whose valency is +2

Explanation:

eg.

Ca+OH=Ca(OH)2

here valency of calcium is 2.. exchange therir valency. 2 will come with OH . (OH)2 represent that 2 is with O and H

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