11th Class Chemistry States of Matter Question Bank 11th CBSE Chemistry States of Matter

  • question_answer The van der Waals constants for two gases are as follows : Gas        \[a\,(atm\,{{L}^{2}}\,mo{{l}^{-2}})\]       \[b\,(L\,mo{{l}^{-1}})\] X                             1.39                     0.0391 Y                              3.59                     0.0427 Which of them is more easily liquefiable and which has greater molecular size?


                    Greater the value of 'a', more easily the gas is liquefiable. Similarly, greater the value of 'b', greater is the molecular size. Hence, gas Y will be more easily liquefiable and will have greater molecular size.

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