2.0 x 106J kg-1
5.0 x 106J kg-1
2.0 x 105J kg-1
5.0 x 105J kg-1
Correct answer is D
From the heat exchange involved, the latent heat of vaporization, L can be deduced from the relation:
ML = 106, where M = mass of the liquid.
∴ 2 x L = 106
=> L = 106/2 = 5.0 x 105J kg-1
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