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Q.

What occurs when liquid CH2F2 evaporates?

(P) Dispersion forces are overcome.
(Q) Dipole-dipole forces are overcome.
(R) Covalent bonds are broken.

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a

Q only 

b

R only

c

P and Q only 

d

P, Q and R

answer is C.

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Detailed Solution

Evaporation of Difluoromethane cause frostbite. In this process:

Dispersion forces are overcome. 

Dipole-dipole forces are overcome. 

Covalent bonds are broken.

Thus, option D is correct.

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