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Which one of these has the …

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Which one of these has the highest freezing point- 1 M NaCl 1 M CaCl2 1 M glucose

Posted by Kareena Yadav 5 years, 6 months ago

CBSE > Class 12 > Chemistry

5 answers

Vikas Shukla 5 years, 6 months ago

101% sure. Glucose hi h. Let me explain. Depression in freezing point is directly proportional to solute particles( colloigative property) . Concentration is same. • CaCl2--------> Ca^2+ + 2Cl^1- ( =3 ions ) • Nacl---------> Na^+ + Cl^1- (=2 ions) • Glucose won't dissociate as it is non - electrolyte. So no. of particles will be least in glucose. Depression in freezing point will be least too. So it will have highest freezing point.

Kareena Yadav 5 years, 6 months ago

Sure h na 1 m glucose aayega

Khushi....? ??‍? 5 years, 6 months ago

1 M glucose....

Vikas Shukla 5 years, 6 months ago

Wait , wait !!! Sorry Vo upar vala answer Galat h. Cacl2 will have lowest freezing point as it will dissociate into 3 ions but as glucose has least no. of particles (non-elctrolyte) , so it will have highest freezing point.

Vikas Shukla 5 years, 6 months ago

1 M cacl2

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