KVPY 2019 SB SX Exam Previous Papers

Question : 53 of 120

Marks: +1, -0

The boiling point of 0.001 M aqueous solution of NaCl,

Na_2SO_4, K_3PO_4 \and CH_3COOH

should follows the order

Solution:

∆T_b = ik_bm

So order of boiling point is dependent on (im) so order of BP ⇒

CH_3COOH < NaCl < Na_2SO_4

< K_3PO_4

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