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Balance the following redox reaction ...

Balance the following redox reaction
(i) `SnO_(2)+C toSn+CO`
(ii)`Fe_(3)O_(4)+C to Fe +CO`
`(iii) I_(2)+HNO_(3) to HIO_(3)+ NO_(2)+ H_(2)O`
(iv)`6FeSO_(4)+2HNO_(3)+H_(2)SO_(4) to Fe_(2)(SO_(4))_(3)+NO+H_(2)O`
(v)`Fe+HNO_(3) to Fe(NO_(3))_(2)+NH_(4)NO_(3)+H_(2)O`
(vi)`Sb+HNO_(3) to H_(3)SbO_(4)+NO_(2)+H_(2)O`
`(vii) Hg+HNO_(3) to Hg_(2)(NO_(3))_(2)+NO+H_(2)O`

Text Solution

Verified by Experts

(i)`SnO_(2)+2CrarrSn+2CO`
(ii) `Fe_(3)O_(4)C rarr3Fe+4cO`
(iii)`I_(2)+10 HNO_(3)rarr 2HIO_(3)+10 NO_(2)+4 H_(2)O`
(iv)`6FeSO_(4)+2HNO_(3)+3H_(2)SO_(4)rarr3Fe_(2)(SO_(4))_(3)+2NO+4H_(2)O`
(v) `4Fe+10HNO_(3)rarrH_(3)SbO_(4)+5NO_(2)+H_(2)O`
`(vi)Sb+5 HNO_(3)rarrH_(3)SbO_(4)+5NO_(2)+H_(2)O`
(vii) `6Hg+8 HNO_(3) rarr3Hg_(2)(O_(3))_(2)+2NO+H_(2)O`
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