AIPMT 2005 | Solutions Question 35 | Chemistry

AIPMT 2005

MCQ (Single Correct Answer)

-1

A solution of urea (mol. mass 56 g mol^$$-$$1) boils at 100.18^oC at the atmospheric pressure. If K_f and K_b for water are 1.86 and 0.512 K kg mol^$$-$$1 respectively, the above solution will freeze at

0.654^oC

$$-$$ 0.654^oC

6.54^oC

$$-$$6.54^oC

AIPMT 2002

MCQ (Single Correct Answer)

-1

A solution containing components A and B folloes Raoult's law

A - B attraction force is greater than A - A and B - B

A - B attraction force is less than A - A and B - B

A - B attraction force remains same as A - A and B - B

volume of solution is different from sum of volume of solute and solvent.

AIPMT 2002

MCQ (Single Correct Answer)

-1

A solution contains non volatile solute of molecular mass M₂. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?

$${M_2} = \left( {{{{m_2}} \over \pi }} \right)VRT$$

$${M_2} = \left( {{{{m_2}} \over V}} \right){{RT} \over \pi }$$

$${M_2} = \left( {{{{m_2}} \over V}} \right)\pi RT$$

$${M_2} = \left( {{{{m_2}} \over V}} \right){\pi \over {RT}}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

Pure water can be obtained from sea water by

centrifugation

plasmolysis

reverse osmosis

sedimentation

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