Hey NCERT says lyophilic sols can be coagulated by
(i) adding electrolyte
(ii) adding suitable solvent.
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.
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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
Gone..
·2010-02-28 22:16:06
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..