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Q.

Select the correct statement among the following

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a

Enthalpy of vapourization of acetone is more than that of water

b

Standard enthalpy of formation of  H2O  (l) is zero

c

If water freezes then amount of heat is given off to the surrounding will be equal to enthalpy of sublimation of water.

d

Naphthalene sublimes slower than solid CO2

answer is B.

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Detailed Solution

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Reference NCERT (XI) Page No. -171,172,173

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