Pharmaceutical Chemistry 2 MCQs with Answers. We covered all the Pharmaceutical Chemistry 2 MCQs with Answers in this post for free so that you can practice well for the exam.
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Pharmaceutical Chemistry 2 Objective with Answers for Students
When NaCl is added to water
(A) the Freezing point is raised
(B) the Boiling point is depressed
(C) F.P. does not changes
(D) B.P. is raised
Option d – B.P. is raised
When the partial pressure of the solvent in a solution of non-volatile solute is plotted against its mole fraction, the nature of the graph is
(A) A straight line passing through the origin
(B) a Straight line parallel to the mole fraction of solvent
(C) a Straight line parallel to V.P. of solvent
(D) Straight line intersecting V.P. axis
Option a – A straight line passing through the origin
Lowering in V.P. of solution
(A) Is a property of solute
(B) Is a property of the solvent
(C) Is a colligative property.
(D) Is a property of solute and solvent.
Option c – Is a colligative property
The vapor pressure of a solution of a nonvolatile solute is always
(A) Equal to V.P. of solvent
(B) Higher than V.P. of solvent
(C) Lower than V.P. of solvent
(D) Constant
Option c – Lower than V.P. of solvent
The solution which gives the highest elevation in B.P. is
(A) 1 M AIPO4
(B) 0.05 M NaCl
(C) 0.1 M MgSO4
(D) 0.1 M KCI
Option a – 1 M AlPO4
Relative lowering in vapor pressure depends on
(A) the Nature of the solvent
(B) the Nature of the Solute
(C) the Mole fraction of the solute
(D) the Mole fraction of solvent
Option c – the Mole fraction of the solute
Azeotropic mixtures are
(A) Constant temperature boiling mixtures
(B) These solutions boil at different temperatures.
(C) A mixture of two solids
(D) None of these
Option d – None of these
Relative lowering in vapor pressure of 6 g urea in 108 g of water would be
(A) 0.164
(B) 0.18
(C) 0.33
(D) 0.0164
Option d – 0.0164
Two isotonic solutions with the same solvent will have
(A) the Same B.P. but a different F.P.
(B) the Same F.P. but a different B.P.
(C) Different B.P. and F.P.
(D) the Same B.P. and F.P.
Option d – the Same B.P. and F.P.
When a substance is dissolved into a solvent the vapor pressure of the solvent decreases. This results in
(A) an increase in the B.P. of the solution
(B) a Decrease in the B.P. of the solution
(C) the Solution having a higher F.P. than the pure solvent.
(D) The solution has a lower F.P. than the pure solvent.
Option a – an increase in the B.P. of the solution
The solution which shows positive or negative deviation from Raoult’s law is
(A) Ideal solution
(B) Real solution
(C) Nonideal solution
(D) True solution
Option c – Nonideal solution
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