Question

21. An aqueous solution is 1.00 molal in KI. Which
change will cause the vapour pressure of the
solution to increase? TAIPMT (Prelims)-2010)
(1) Addition of NaCl
(2) Additon of Na,SO
(3) Addition of 1.00 molal KI
(4) Addition of water​

Answer 1

Answer:

option 4

Explanation:

on addition of water, concentration decreases which will lead to increase in vapour pressure..

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Answer 2

Here is ans for your question :-

option 4) Addition of water

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