IIT 2005

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Lyophilic sols are
A. Irreversible sols
B. They are prepared from inorganic compound
C. Coagulated by adding electrolytes
D. Self-stabilizing

Should not the ans be C ?? Fiitjee has given A as Ans.

#Chemistry #Physical Chemistry

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4 Answers

Avinav Prakash ·2010-02-28 22:13:54

I THINK ANS IS ......(D)

A....LYOPHILIC SOLS R REVERSIBLE SOLS
B.....I THINK FROM PROTEINS
C....ITS TRUE 4 LYOPHOBIC SOLS
D....TRUE

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Gone.. ·2010-02-28 22:16:06

Hey NCERT says lyophilic sols can be coagulated by
(i) adding electrolyte
(ii) adding suitable solvent.

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govind ·2010-03-03 05:41:31

Ans given in arihant is D...though both C and D seems correct..

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Pritish Chakraborty ·2010-03-03 05:57:56

NCERT means lyophilic sols are coagulated by a COMBINATION of electrolyte and suitable solvent, not by just one. But here both C and D would seem correct in the context..

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