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Standard XII

Chemistry

Stoichiometry

What is the c...

Question

What is the correct set of co-efficient for the reactants in
$M n^{2 +} (a q) + p b O_{2} (s) + H^{+} (a q) ⟶ . . . . . . . . + p b^{2 +} (a q) + . . . . . . . . .$

1 : 2 : 0

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3 : 1 : 9

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2 : 5 : 4

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4 : 6 : 3

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Solution

The correct option is C $2 : 5 : 4$
$5 P b O_{2} + 2 M n^{+ 2} + 4 H^{+} r i g h t a r r o w 2 M n O_{4}^{-} + 5 P b_{2} + + 2 H_{2} O$
So ratio is $M n^{+ 2} : P b O_{2} : H^{+} = 2 : 5 : 4$
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What is the correct set of co-efficient for the reactants inMn2+(aq)+pbO2(s)+H+(aq)⟶........+pb2+(aq)+.........

The correct option is C 2:5:45PbO2+2Mn+2+4H+rightarrow2MnO−4+5Pb2++2H2OSo ratio is Mn+2:PbO2:H+=2:5:4'

What is the correct set of co-efficient for the reactants in
$M n^{2 +} (a q) + p b O_{2} (s) + H^{+} (a q) ⟶ . . . . . . . . + p b^{2 +} (a q) + . . . . . . . . .$

The correct option is C $2 : 5 : 4$
$5 P b O_{2} + 2 M n^{+ 2} + 4 H^{+} r i g h t a r r o w 2 M n O_{4}^{-} + 5 P b_{2} + + 2 H_{2} O$
So ratio is $M n^{+ 2} : P b O_{2} : H^{+} = 2 : 5 : 4$
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