why is OH written in brackets in Zinc Hydroxide - Zn(OH)2?? Answer fast exam tommorow
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OH is written in bracket because o and h are different case not the same
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oh written in bracket because here oh is acts one negative ion and zn is positive ion now zn have valency two whereas oh have valency 1 when both combines then znoh2 form but this will be wrong answer we have to write this as zn(oh)2 because two is going to oh not only o or h.
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