Which of the following will have maximum boiling point:
A
1%NaCl
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B
1%CaCl2
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C
1%AlCl3
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D
1%Urea
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Solution
The correct option is C1%AlCl3 △Tb=Kbm.i where i= Vant hoff factor is the highest or AlCl3(i=4). Hence elevation in boiling point and ultimately the new boiling point will be maximum for 1%AlCl3