Q.

Arrange the following as directed: (Q.79-82) Increasing order of boiling points.I. 0.001 m NaCl       II. 0.001 m urea III. 0.001 m MgCl2     IV. 0.001 m CH3COOH

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a

II < IV < I < III

b

II < I < IV < III

c

III < I < IV < II

d

III < IV < I < II

answer is A.

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Detailed Solution

Boiling point is higher if ∆Tbis higher which in turn depends on meff=imeff0.001 m urea < 0.001 m CH3COOH < 0.001 m NaCI < 0.001 m MgCl2II < IV < I < III
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