Solution Test

Result

Solution Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Statement-1: The process of mixing of CH₃OH and CCl₄ is accompanied by increase in enthalpy and is a spontaneous process.

Statement-2: When we mix CCl₄ and CH₃OH, we replace weaker forces of attraction by stronger forces of attraction.

A
Both Statement-1 and Statement-2 are true and Statement-2 is the correct explanation of Statement-1.

B
Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1.

C
Statement-1 is true but Statement-2 is false.

D
Statement-1 is false but Statement-2 is true.

Solution

Assertion is false but reason is true.

The process of mixing of CCl₄ and CH₃OH is accompanied by decrease in enthalpy.
Question 2
1 / -0

In which of the following solutions, Cu₂[Fe(CN)₆] permits the solvent molecules to pass through?

A
Urea in water

B
Benzoic acid in benzene

C
Urea in acetone

D
Thiourea in water

Solution

Cu₂ [Fe(CN)₆] acts as semipermeable membrane only for aqueous solutions.
Question 3
1 / -0

Formation of a solution from two components can be considered as:
(i) Solvent → separated molecules, ΔH₁
(ii) Solute → separated molecules, ΔH₂
(iii) Separated solute molecules + separated solvent molecules → solution, ΔH₃
Choose the correct option which satisfies the formation of ideal solution.

A
ΔH₁ + ΔH₂ + ΔH₃ ≠ 0

B
ΔH₁ + ΔH₂ = – ΔH₃

C
ΔH₁ + ΔH₂ > ΔH₃

D
ΔH₁ + ΔH₂ < ΔH₃

Solution

For the formation of an ideal solution, ΔH = 0 ; ΔH₁ and ΔH₂ are
positive and ΔH₃ is negative.