Solutions class 12 chemistry chapter 2 Exercise answers | numericals solved

Solutions class 12 chemistry chapter 2 Exercise solutions answers

Solutions class 12 chemistry chapter 2 Exercise answers numericals solved


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NCERT | Class 12 | Chemistry Chapter 2 Solutions | Complete Exercise Solution
Solutions for Class 12 Chemistry Chapter 2 Solutions provides accurate and adequate chemistry knowledge. Chemistry Class 12 solutions Chapter 2 can be utilised by the students to prepare for the examination and to solve the questions of class 12 chemistry chapter 2 exercise solutions along with exemplar problems, MCQS, short and long answer questions. These solutions help the students to clear all their doubts related to this chapter very easily.

this video contains baisc things and best explanation of chapter.
the name of chapter is
chapter -2 SOLUTIONS 2021 maharashtra board.

this video contains all about SOLUTIONS and it's types.....

ALSO WELL EXPLAINED :-
● Solutions
● Mixture and it's type
● Lowering of vapour pressure
● colligative properties
● bowling point elevation
● Henry's law
● Raoult's law
● freezing point elevation
● osmotic pressure
● Types of solution
Class 12
Chemistry
2. Solutions
Exercise solutions
By: solutions made easy

1. Choose the most correct option.
i. The vapour pressure of a solution containing 2 moles of a solute in 2 moles of water (vapour pressure of pure water = 24 mm Hg) is
a. 24 mm Hg. b. 32 mm Hg
c. 48 mm Hg. d. 12 mm Hg
Answer: d. 12 mm Hg

ii. The colligative property of a solution is
a. vapour pressure. b. boiling point
c. osmotic pressure. d. freezing point
Answer: c. osmotic pressure.

iii. In calculating osmotic pressure the concentration of solute is expressed in Exercises
a. molarity. b. molality
c. mole fraction. d. mass percent
Answer: a. molarity.

iv. Ebullioscopic constant is the boiling
point elevation when the concentration
of solution is
a. 1m. b. 1M
c. 1 mass% d. 1 mole fraction of solute.
Answer: a. 1m.

v. Cryoscopic constant depends on
a. nature of solvent b. nature of solute
c. nature of solution
d. number of solvent molecules
Answer: a. nature of solvent

vi. Identify the correct statement
a. vapour pressure of solution is higher than that of pure solvent.
b. boiling point of solvent is lower than that of solution
c. osmotic pressure of solution is lower than that of solvent
d. osmosis is a colligative property.
Answer: b. boiling point of solvent is lower than that of solution

vii. A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell placed in 0.1 M KCl solution at body temperature?
a. 5.08 atm. b. 2.54 atm
c. 4.92 atm. d. 2.46 atm
Answer: c. 4.92 atm.

viii. The osmotic pressure of blood is 7.65 atm at 310 K. An aqueous solution of glucose isotonic with blood has the percentage.
a. 5.41 % b. 3.54 %
c. 4.53 % d. 53.4 %
Answer: a. 5.41 %



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