NEET Chemistry Solutions / विलयन Question Bank Self Evaluation Test - Solutions

  • question_answer
    An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase? 

    A) Addition of \[NaCl\]

    B) Addition of \[N{{a}_{2}}S{{O}_{4}}\]

    C) Addition of 1.00 molal KI

    D) Addition of water

    Correct Answer: D

    Solution :

    [d] When the aqueous solution of one molal KI is diluted with water, concentration de- creases, therefore the vapour pressure of the resulting solution increases.


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