The elevation in boiling point of a solution of 13.44 g of CuCl2 in 1 kg of water using the following information will be (molecular weight of CuCl2 is 134.4 and Kb=0.52Km−1)
A
0.16
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B
0.05
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C
0.1
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D
0.2
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Solution
The correct option is A 0.16 Molality =13.44134.4=0.1 For CuCl2,i=3 ΔTb=i×Kb×m=3×0.52×0.1=0.156∘