150 ~g of acetic acid was contaminated with 10.2 ~g ascorbic acid (C₆ H₈ O₆) to lower down its freezing point by (x × 10⁻¹)^(°) C. The value of x is _ _ _ _ _ _. (Nearest integer) [Given K f =3.9 ~K ~kg ~mol⁻¹; molar mass of ascorbic acid =176 ~g ~mol⁻¹ ]

Solutions: JEE Main 2022 Chemistry question

JEE Main 2022 · 28 Jul, Morning shift · Q18

JEE Main 202228 Jul, Morning shiftChemistryHardSolutions71× since 2002

150 \mathrm{~g}

of acetic acid was contaminated with

10.2 \mathrm{~g}

ascorbic acid

\left(\mathrm{C}_{6} \mathrm{H}_{8} \mathrm{O}_{6}\right)

to lower down its freezing point by

\left(x \times 10^{-1}\right)^{\circ} \mathrm{C}

. The value of

x

is ___________. (Nearest integer) [Given

\mathrm{K}_{f}=3.9 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}

; molar mass of ascorbic acid

=176 \mathrm{~g} \mathrm{~mol}^{-1}

]

Your answerType your answer. Integers and decimals are accepted.