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If sodium sulphate is considered to be completely dissociated

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If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water $(Δ T_{f})$ , when $0.01$ mole of sodium sulphate is dissolved in $1 kg$ of water, is $(K_{f} = 1.86 K kg mol^{- 1})$

0.0372 K

0.0558 K

0.0744 K

0.0186 K

Views: 5,450 students

Updated on: May 3, 2023

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2010

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Jack Discussed

If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water

(Δ T_{f})

, when

0.01

mole of sodium sulphate is dissolved in

1 kg

of water, is

(K_{f} = 1.86 K kg mol^{- 1})

7 mins ago

Discuss this question LIVE

7 mins ago

Text solutionVerified

Na_{2} SO_{4} ⟶ 2 Na^{+} + SO_{4}^{2 -}

van't Hoff factor

(i)

for

Na_{2} SO_{4} = 3

Δ T_{f} = i \times K_{f} \times m = 3 \times 1.86 \times 0.01

[∵ m = \frac{0.01 mol}{1 kg} = 0.01 mol kg^{- 1}]

= 0.0558 K

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Question Text	If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water $(Δ T_{f})$ , when $0.01$ mole of sodium sulphate is dissolved in $1 kg$ of water, is $(K_{f} = 1.86 K kg mol^{- 1})$
Updated On	May 3, 2023
Topic	Solutions
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 3
Upvotes	295
Avg. Video Duration	4 min

If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water $(Δ T_{f})$ , when $0.01$ mole of sodium sulphate is dissolved in $1 kg$ of water, is $(K_{f} = 1.86 K kg mol^{- 1})$

Text solutionVerified

Filo tutor solutions (3)

Questions from JEE Mains 2010 - PYQs

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If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water (ΔTf​), when 0.01 mole of sodium sulphate is dissolved in 1 kg of water, is (Kf​=1.86 K kg mol−1)

Text solutionVerified

Filo tutor solutions (3)

Questions from JEE Mains 2010 - PYQs

Practice questions from Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Practice questions from Solutions in the same exam

Practice more questions from Solutions

Practice questions on similar concepts asked by Filo students

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Previous year question papers

If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water $(Δ T_{f})$ , when $0.01$ mole of sodium sulphate is dissolved in $1 kg$ of water, is $(K_{f} = 1.86 K kg mol^{- 1})$