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KCET2011ChemistrySolutions

Out of the given two compounds, the vapour pressure of B at a particular temperature is

Options

  1. Ahigher than that of A
  2. Blower than that of A
  3. Chigher or lower than A depending on the size of the vessel
  4. Dsame as that of A

Correct answer

A. higher than that of A

Step-by-step solution

Vapour pressure of o-nitrophenol is more than vapour pressure of p -n i t r o p h e n o l due to the intramolecular hydrogen bonding. As a result, it is more volatile.

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