1.

Rank the following in the order of increasing entropy `:` (a) 1 mole of `H_(2)O(l)` at `25^(@)C` and 1 atm. Pressure. (b) 2 moleof `H_(2)O(s)` at `0^(@)C` and 1 atm. Pressure. (c ) 1 moleof `H_(2) O(v)` at `100^(@)C` and 1 atm. Pressure. (d) 1 mole of `H_(2)O(l)` at `0^(@)C` and 1 atm. pressure.

Answer» (b) `lt (d) lt (a) lt (c )`. This is because solid is less random than liquid which is tun is less random than gas .For the same state, at the same pressure, higher the temperature , greater is the randomness.


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