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Which one of the following is an endothe...

Which one of the following is an endothermic reaction ?

A

`PCl_(5)(g)rarrPCl_(3)(g)+Cl_(2)(g)`

B

`2SO_(2)(g)+O_(2)(g)rarr2SO_(3)(g)`

C

`C("graphite")+2H_(2)(g)rarrCH_(4)(g)`

D

`HCl_((aq))+NaOH_((aq))rarrNaCl_((aq))+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
A

Dissociation is always endothermic
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