Hard MCQ +4 / -1 PYQ · JEE Mains 2022

A 42.12% (w/v) solution of NaCl causes precipitation of a certain sol in 10 hours. The coagulating value of NaCl for the sol in 2 hours is :

[Given : Molar mass : Na = 23.0 g mol^$-$1 ; Cl = 35.5 g mol^$-$1]

A 36 m mol L$-$1
B 36 mol L$-$1
C 1440 mol L$-$1
D 1440 m mol L$-$1 Correct answer

Solution

Data is insufficient.

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Subject: Chemistry · Chapter: Surface Chemistry · Topic: Adsorption

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A 42.12% (w/v) solution of NaCl causes precipitation of a certain sol in 10 hours. The coagulating value of NaCl for the sol in 2 hours is : [Given : Molar mass : Na = 23.0 g mol$-$1 ; Cl = 35.5 g mol$-$1]

Solution

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A 42.12% (w/v) solution of NaCl causes precipitation of a certain sol in 10 hours. The coagulating value of NaCl for the sol in 2 hours is :

[Given : Molar mass : Na = 23.0 g mol^$-$1 ; Cl = 35.5 g mol^$-$1]