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Enthalpy Change for the Interaction between Acetone and Chloroform
Enthalpy Change for the Interaction between Acetone and Chloroform
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1)
When acetone and chloroform are mixed together, hydrogen bonds are formed between them. Which of the following statements is correct about the solution made by mixing acetone and chloroform?
On mixing acetone and chloroform negative deviation is shown since there is decrease in vapour pressure.
At a specific composition, acetone and chloroform will form minimum boiling azeotrope.
On mixing acetone and chloroform positive deviation is shown since the vapour pressure increases
On mixing acetone and chloroform will form an ideal solution
2)
The intermolecular hydrogen bonding present in between which atoms of chloroform and acetone.
H of acetone and H of chloroform
O of acetone and Cl of chloroform
H of acetone and Cl of chloroform
O of acetone and H of chloroform
3)
The heat of formation of substance are
Always positive
Always negative
Positive or negative
Always zero
4)
What is the enthalpy interaction between acetone and chloroform?
No enthalpy change
Variable depending on conditions
Endothermic
Exothermic
5)
A reaction in which the heat in given off to the surroundings is said to be
Irreversible
Endothermic
Exothermic
Reversible
6)
Which forces hold both chloroform and acetone molecules together?
Gravitational force
Static force
Van der Waals
Frictional force
7)
Change in enthalpy occurs in this process due to the formation of which kind of bonds?
Double bond
Ionic bond
Hydrogen bond
Covalent bond
8)
When acetone and chloroform are combined, hydrogen bonding occurs. This liquid combination will cause
Negative deviation from Raoults’s law
Positive deviation from Raoult’s law.
Cannot be predicted.
No deviation from Raoult’s law
9)
When a solution of CHCl₃ is mixed with a solution of acetone, ΔVₘᵢₓ is
Zero
Cannot be predicted
Positive
Negative
10)
Assertion: Acetone and aniline shows negative deviations. Reason: H bonding between acetone and aniline is stronger than that between acetone-acetone and aniline-aniline.
If both assertions and reasons are true and the reason is the correct explanation of the assertion
If assertion is true but reason is false
If both assertions and reasons are true but reason is not the correct explanation of assertion
If both assertions and reason are false