JEE Advanced Chemistry question

When water is allowed to freeze in the presence of Ar, Kr or Xe under pressure then

(A)Atoms of noble gas (G) trapped in the crystal lattice of ice giving clathrates corresponding to the composition 8G·26H2O
(B)These are called noble gas hydrates
(C)Both (a) and (b) are correctCorrect
(D)None of the above is correct

Answer: (C)

Solution

Under pressure, water freezing in the presence of the larger, more polarisable noble gases (Ar, Kr, Xe) traps individual gas atoms inside cage-like cavities of the ice lattice, forming non-stoichiometric inclusion compounds of approximate

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Question ID VK-159462