Question

p = 101325 Pa 340 chloroform-acetone binary liquid mixture 338 vapor 336 334 TIK 332 liquid 330 328 0 0.2 0.8 1 0.4 0.6 Mole fraction of chloroform

3. Do chloroform and acetone form an ideal solution?

A. no

B. cannot be determined from the information given

C. yes

4. If a chloroform-acetone mixture with an acetone mole fraction of 0.6 is subjected to fractional distillation, what is the composition of the distillate?

A. pure azeotrope

B. pure acetone

C. none of the choices shown

D. pure chloroform

5. The acetone-chloroform intermolecular attractions are _________________ the acetone-acetone or chloroform-chloroform attractions.

A. less than

B. equal to

C. greater than

6. Mixtures of chloroform and acetone exhibit ________________deviations from Raoult’s Law.

A. no

B. positive

C. negative

7. Which is more volatile?

A. chloroform

B. Not enough information given to make a determination.

C. acetone

Answer 1

Answer

3) option (a) No, chloroform and acetone form non ideal solution.

4) option (a) pure azeotrope.

5) option (c) greater than

The acetone-chloroform intermolecular attractions are greater than the acetone-acetone or chloroform-chloroform attractions.

6) option (c) Negative deviation

Mixtures of chloroform and acetone exhibit negative deviations from Raoult’s Law.

7) option (c) Acetone

Acetone is more volatile.

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