Question

in which form do the water molecules have less kinetic energy?

(a)ICE
(b)WATER
(c)STEAM
(d)ALL OF THEM

Answer 1

Answer: ice have least kinetic energy.

Explanation:this is because the molecules of ice are closely packed therefore having least intermolecular space  and more intermolecular force of attraction. As they have least intermolecular space they have least kinetic energy.

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Answer 2

Answer:

Among the given forms of water molecules, ice has least kinetic energy.

Explanation:

• In the case of ice, the water molecules are very closely packed. The intermolecular space between the molecules is very less. The intermolecular attraction forces are greater. Therefore water molecules can not move freely.
• In case of steam the molecules are at large distance. So they can move freely.
• In case of water as liquid form , whether there is hydrogen bonding between the water molecules but still they can move.

In case of ice there is less kinetic energy, Therefore the option (a) is correct.