Question

During the process of vaporization. (A) The temperature remains constant (B) The temperature decreases continuously (C) The temperature increases continuously (D) The temperature keeps changing

Answer 1

Answer:

C)

Explanation:

Because during vaporization more heat is required

Answer 2

Answer:

So in NF3 and OF2 the dipole moment is less because flourine is not a central atom. Now in NH3 and H2O, oxygen is more electronegative than nitrogen, as both are central atom in their respective compounds therefore dipole moment of H2O will be more than NH3. Therefore maximum dipole moment can be observed in H2O.

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