The most commonly used reducing agent among the following is
A
AlCl3
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B
PbCl2
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C
SnCl4
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D
SnCl2
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Solution
The correct option is DSnCl2 +4 oxidation state of Sn is more stable than +2 oxidation state.
Therefore, Sn2+ and hence SnCl2 acts a reducing agent. SnCl2+Cl2→SnCl4+2e−