`C_(6)H_(6)` freezes at `5.5^(@)C`. At what tempreature will a solution of 10.44 g of `C_(4)H_(10)` in 200 g of `C_(6)H_(6) "freeze" K_(f)(C_(6)H_(6))= 5.12^(@)C//m`
A
`4.608^(@)C`
B
`0.892^(@)C`
C
`5.5^(@)C`
D
none of these
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The correct Answer is:
b
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DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 1 (Q.62 To Q.91)|1 Videos
C_6H_6 freezes at 5.5^(@)C . The temperature at which a solution 10 g of C_4H_(10) in 200g of C_6H_6 freeze is __________ ""^(@)C . (The molal freezing point depression constant of C_6H_6 is 5.12^(@)C//m .)
What is the freezing point of a solution contains 10.0g of glucose C_(6)H_(12)O_(6) , in 100g of H_(2)O ? K_(f)=1.86^(@)C//m
Calculate the temperature at which a solution containing 54g of glucose, (C_(6)H_(12)O_(6)) in 250g of water will freeze. ( K_(f) for water = 1.86 K mol^(-1) kg)
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