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  • If 6 moles of reacts with 30 moles of Mohr’s salt in acidic medium, how many mole

If 6 moles of \mathrm KMnO_{4} reacts with 30 moles of Mohr’s salt in acidic medium, how many moles of water molecule are generated?

Option: 1

205


Option: 2

204


Option: 3

201


Option: 4

203


Answers (1)

The overall reaction is given by: 

\\2 \mathrm{KMnO}_4+10 \mathrm{FeSO}_4\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot 6 \mathrm{H}_2 \mathrm{O}+8 \mathrm{H}_2 \mathrm{SO}_4 \\ \ \ \ \rightarrow \mathrm{K}_2 \mathrm{SO}_4+ 2 \mathrm{MnSO}_4+5 \mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3+10\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4+68 \mathrm{H}_2 \mathrm{O}

2 moles of KMnO4 reacts with 10 moles of Mohr’s salt to give 68 moles of water.

So, 6 moles of KMnO4 reacts 30 moles of Mohr’s salt to give 204 moles of water.

 

Posted by

Kshitij

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