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Question

Assertion :FeCl3 can be reduced to FeCl2 by SnCl2 as well as by the addition of Sn into it. Reason: This reaction is possible since Sn4+ is more stable than Sn2+ (inert-pair effect)Also, FeCl3 solution is acidic due to hydrolysis. Sn added reacts with HCl forming nascent hydrogen that can reduce FeCl3 to FeCl2

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2FeCl3+SnCl2SnCl4+2FeCl2
This reaction is possible since Sn4+ is more stable than Sn2+ (inert-pair effect)

Also, FeCl3 solution is acidic due to hydrolysis:

FeCl3+3H2OFe(OH)3+3HCl

Sn added reacts with HCl forming nascent hydrogen that can reduce FeCl3 to FeCl2:

2HCl+SnSnCl2+2H(nascent)

FeCl3+HFeCl2+HCl

So Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Hence option A is correct.

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