Answer the following with relevant reason.
(i) The boiling points of noble gases increase with increase in atomic number.
(ii) Why helium and neon do not form clathrate compounds with quinol ?
Text Solution
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(i) Van der Waal’s forces of attraction among molecules increase with the increase of atomic masses. Thus, higher energy is required to separate these molecules as to get gaseous state. Hence, the boiling points increase with increase of atomic masses.
(ii) The size of cavities formed during crystallisation of quinol is more than the size of helium and neon atoms.
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