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JEE Main 202118 MarchEvening Shift

Exam: JEE Main
Year: 2021
Date: 18 March
Shift: Evening Shift
Subject: Chemistry
Chapter: Surface Chemistry

JEE Main 2021 · 18 March · Evening Shift · Chemistry · Surface Chemistry

The charges on the colloidal CdS sol and TiO _ 2 sol are,...

The charges on the colloidal

CdS

sol and

{TiO}_{2}

sol are, respectively :

Options

Apositive and positive
Bpositive and negative
Cnegative and negative
Dnegative and positive

Correct answer

D. negative and positive

Step-by-step solution

$CdSsol$ $\to - vesol$

${TiO}_{2}sol \to + vesol$

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