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NEET 2020

NEET 2020 Chemistry question on Redox and Electrochemistry

What is the change in oxidation number of carbon in the following reaction?
CH4(g)+4Cl2(g)→CCl4(l)+4HCl(g)\text{CH}_4(g) + 4\text{Cl}_2(g) \rightarrow \text{CCl}_4(l) + 4\text{HCl}(g)
  1. A.
    00 to +4+4
  2. B.
    −4-4 to +4+4
  3. C.
    00 to −4-4
  4. D.
    +4+4 to +4+4
Show answer

Correct option: B

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