Complete and balance the following chemical equations-i KMnO4 - KI - H2SO4 - - - - ii K2Cr2O7 - H2SO4 - H2S - - - - iii KMnO4 - H2SO4 - FeSO4 - - - -

(i) 2KMn O _ 4 +10KI+8 H _ 2 S O _ 4 → 2MnS O _ 4 +6 K _ 2 S O _ 4 + 5I _ 2 + 8H _ 2 O (ii) K _ 2 Cr _ 2 O _ 7 + 3H _ 2 S+4 H _ 2 S O _ 4 → K _ 2 S O ...

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Byju's Answer

Standard XII

Chemistry

Standard Electrode Potentials

Complete and ...

Question

Complete and balance the following chemical equations:
(i) $K M n O_{4} + K I + H_{2} S O_{4} \to$ _ + + + ______
(ii) $K_{2} C r_{2} O_{7} + H_{2} S O_{4} + H_{2} S \to$ + + + _
(iii) $K M n O_{4} + H_{2} S O_{4} + F e S O 4 \to$ + + + _

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Solution

(i) $2 K M n O_{4} + 10 K I + 8 H_{2} S O_{4} \to 2 M n S O_{4} + 6 K_{2} S O_{4} + {5 I}_{2} + {8 H}_{2} O$
(ii) $K_{2} {C r}_{2} O_{7} + {3 H}_{2} S + 4 H_{2} S O_{4} \to K_{2} S O_{4} + {C r}_{2} {(S O_{4})}_{3} + 3 S + 7 H_{2} O$
(iii) $K M n O_{4} + 16 H_{2} S O_{4} + 5 F e S O_{4} \to 5 F e {(S O_{4})}_{3} + 4 M n S O_{4} + {2 K}_{2} S O_{4} + 16 H_{2} O$

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Complete and balance the following chemical equations:(i) KMnO4+KI+H2SO4→ _________ + ____________ + __________ + ____________(ii) K2Cr2O7+H2SO4+H2S→ __________ + ________ + __________+ _________(iii) KMnO4+H2SO4+FeSO4→ __________ + ________ + __________+ _________

(i)2KMnO4+10KI+8H2SO4→2MnSO4+6K2SO4+5I2+8H2O(ii)K2Cr2O7+3H2S+4H2SO4→K2SO4+Cr2(SO4)3+3S+7H2O(iii)KMnO4+16H2SO4+5FeSO4→5Fe(SO4)3+4MnSO4+2K2SO4+16H2O

Complete and balance the following chemical equations:
(i) $K M n O_{4} + K I + H_{2} S O_{4} \to$ _ + + + ______
(ii) $K_{2} C r_{2} O_{7} + H_{2} S O_{4} + H_{2} S \to$ + + + _
(iii) $K M n O_{4} + H_{2} S O_{4} + F e S O 4 \to$ + + + _