Q.

In which of the following reactions, chlorine acts as an oxidizing agent ?
I:CH3CH2OH+Cl2CH3CHO+2HCl
II:CH3CHO+Cl2CCl3CHO+HCl
III:CH4+Cl2 hv CH3Cl+HCl
The correct answer is :

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a

I and II

b

only II

c

I, II and III

d

only I

answer is D.

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Detailed Solution

 

We can see that in all reaction , hydrogen atom is replaced by Cl atoms. Loss of hydrogen is called as oxidation reaction.

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In which of the following reactions, chlorine acts as an oxidizing agent ?I:CH3CH2OH+Cl2⟶CH3CHO+2HClII:CH3CHO+Cl2⟶CCl3CHO+HClIII:CH4+Cl2⟶ hv CH3Cl+HClThe correct answer is :