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Balance the following equactions: (a) BaCrCO_(4) + KI +HCI rarr BaCl_(2) + I_(2) + KCl + CrCl_(3) + H_(2)O (b) SO_(2) + Na_(2) CrO_(4) + H_(2)SO_(4) rarr Na_(2)SO_(4) + Cr_(2) (SO_(4))_(3) + H_(2)O (c) C_(2) H_(5) OH + I_(2) + PH^(-) rarr CHI_(3) + HCO_(2)^(-) + H_(2)O + underset(("Basic"))(I^(-) (d) As_(2)S_(3) + HNO_(3) rarr H_(3)AsO_(4) + H_(2) SO_(4) + underset(("Acid"))(NO) (e) ....+ HC_(2)O_(4) rarr CO_(3)^(2+) + CI^(-) (f) HgS + HCl + HNO_(3) rarr H_(2) HgCl_(4) + NO+ S + H_(2)O (g) Mn_(2)O_(7) rarr MnO_(2) + O_(2) |
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Answer» (b) `3S_(2) + 2Na_(2) CrO_(4) + 2H_(2) SO_(4) rarr 2Na_(2) SO_(4) + Cr_92) (SO_(4))_(3) + 2H_(2)O` (b) `3SO_(2) + 2Na_(2)CrO_(4) + 2H_(2)SO_(4) rarr 2Na_92) SO_(4) + Cr_(2) (SO_(4))_(3) + 2H_(2)O` (c) `C_(2) H_(5) OH + 4I_(2) + 6OH^(-) rarr CHI_(3) + HCO_(2)^(-) + 5I^(-) + 5H_(2)O` (d) `4H_(2)O + 3As_(2)S_(3) + 28HN)_(3) rarr 6H_(3) AsO_(4) + 9H_(2)SO_(4) + 28NO` (e) `Cl_(2) + HC_(2)O_(4)^(-) + 2H_(2)O rarr 2Cl^(-) + 2CO_(3)^(2-) + 5H^(+)` (F) `3HgS + 2HNO_(3) + 12HCl rarr 3H_(2) HgCl_(4) + 3S + 2NO + 4H_(2)O` (g) `2Mn_(2) O_(7) rarr 4MnO_(2) + 3O_(2)` |
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