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  • How many electrons are transferred by 2.5 moles when reduced <i

How many electrons are transferred by 2.5 moles \mathrm{MnO{_{4}}^{-}} when reduced \mathrm{Mn^{2+}}?

Option: 1

75.28 \times 10^{23}


Option: 2

7.528 \times 10^{23}


Option: 3

37.64 \times 10^{23}


Option: 4

3.764 \times 10^{23}


Answers (1)

best_answer

1 mole of \mathrm{MnO}_4{ }^{-}gets reduced to \mathrm{Mn}^{2+} to give 5 \times 6.023 \times 10^{23}  electrons.

So, 2.5 moles of \mathrm{MnO}_4{ }^{-}give 2.5 \times 5 \times 6.023 \times 10^{23}=75.2875\times 10^{23} electrons.

Posted by

SANGALDEEP SINGH

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