1.

Cr(OH)_(3)+H_(2)O_(2)overset("Alkali")(to)CrO_(4)^(-2)+H_(2)O the number of OH^(-) required to balance the above equation

Answer»

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Solution :`2Cr(OH)_3 +3H_(2)O_(2)+4OH^(-) rarr 2CrO_(4)^(-2) +8H_2O` .
So `4OH^(-)`required to BALANCE the EQUATION


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