AP EAMCET Engineering 20 Apr 2019 Shift 1 Paper

Section: Chemistry

Question : 142 of 160

Marks: +1, -0

6 a of a mixture of naphthalene (C10H8) and anthracene (C14H10) is dissolved in 300 a of benzene. If the depression in freezing point is 0.70 K. the composition of naphthalene and anthracene in the mixture respectively in g are
(molal depression constant of benzene is 5.1 K kg mol−1)

2.60 , 3.40
3.40 , 2.60
2.90 , 3.10
3.10 , 2.90

Validate

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