1.

Complete the following reactions. (i)Cr_(2)O_(3)+Aloverset(Delta)to? (ii)B_(2)O_(3)+Nato? (iii)ThO_(2)+Caoverset(?)to? (iv)Mn_(3)O_(4)+cto? (v)Ag_(2)O+H_(2)to?

Answer»

Solution :`Cr_(2)O_(3)+2Aloverset(Delta)to2CR+Al_(2)O_(3)`
(ii)`B_(2)O_(3)+6Nato2B+3Na_(2)O`
(III) `ThO_(2)+2Caoverset(1250K)toTh+2CaO`
(iv)`Mn_(3)O_(4)+4Cto3Mn+4CO`
(V)`Ag_(2)O+H_(2)to2Ag+H_(2)O`


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