EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 16 - Solutions>TS EAMCET 2020 (9-Sep Shift-1)>Q 9

HARD

TS EAMCET

IMPORTANT

Earn 100

When $2.44$ grams of benzoic acid $(C_{6} H_{5} COOH)$ dissolved in $25$ grams of benzene, it shows depression of freezing point equal to $2.2 K$ . Molal depression constant of benzene is $5.0 K kg {mol}^{- 1}$ . What is the percentage association of acid, if it forms dimer in solution?

30% studentsanswered this correctly

Important Questions on Solutions

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 16 - Solutions>TS EAMCET 2018 (04-May Shift-1)>Q 10

At

300 K

, a one litre solution of sucrose (molecular weight:

342

) was prepared by dissolving

40 g

of sucrose. What is the approximate osmotic pressure (in

kPa

) of the solution at the same temperature?

(R = 8.314 \times 10^{6} {cm}^{3} Pa K^{- 1} {mol}^{- 1})

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 16 - Solutions>TS EAMCET 2019 (03-May Shift-2)>Q 11

If

0.1 M

solution of

NaCl

is isotonic with

1.1 w %

urea solution, the degree of ionisation of

NaCl

is (Molar masses of urea and

NaCl

are

60

and

58.5 g {mol}^{- 1}

, respectively.)