Question

Write down the following reactions for stanum (ii) chloride anhydrous. 1) React with ether 2) React...

Write down the following reactions for stanum (ii) chloride anhydrous.
1) React with ether
2) React with acetone
3) React with ethanol
4) React with potassium permanganate

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Homework Answers

Answer #1

Anhydrous stannous chloride (SnCl2) is soluble in ether, acetone & ethanol but it will not react with either ether or acetone or ethanol.

However, anhydrous stannous chloride (SnCl2) will react with potassium dichromate where potassium dichromate ( K2Cr2O7 )will oxidize stannous chloride to stannic chloride ( SnCl4 ) and itself will reduce to chromium chloride (CrCl3 ). This reaction takes place under acidic condition.

3Sn2++ Cr2O72- +14 H+   3Sn4+ + 2 Cr3+ + 7H2O

or, K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O

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