MHT CET 2024 Chemistry question

Not in JEE Main or NEET syllabus

Identify positively charged sol from following.

(A)HaemoglobinCorrect
(B)Gum
(C)Gelatin
(D)Cadmium sulphide

Answer: (A)

Solution

Colloidal particles carry a charge depending on the substance. Typical positively charged sols in the textbook list are hydrated metal oxides such as , , basic dyes and haemoglobin (blood), so (A) is correct.

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Question ID VK-099691