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Some reactions are given which of the fo...

Some reactions are given which of the following reaction refers enthalpy of hydration.

A

`CuSO_4(s)+5H_2O(l)rarr CuSO_4.5H_2O`

B

`CuSO_4(s)+NH_2O(l)rarrCuSO_4(aq)`

C

`C(s)+O_2(g)rarrCO_2(g)`

D

`CH_4+2O_2rarrCO_2+2H_2O`

Text Solution

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The correct Answer is:
A
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