Chemistry is an easiest subject among Physics, Mathematics and Chemistry in WBJEE Entrance Examination according to most of the students.

In this article, you will get chapter notes of chapter Solutions including detailed information about all important topics like types of solutions, concentration of solutions, Henry’s law, Raoult’s law, Van’t Hoff factor, effective molarity etc.

About 1-2 questions are always asked from this topic in WBJEE examination.

These chapter notes are prepared by Subject Experts of Chemistry after the detailed analysis of the latest syllabus of WBJEE Entrance examination.

To make understand the concepts to WBJEE aspirants, some previous year solved questions are also included in these notes.

WBJEE Chemistry Syllabus: 2017 - 2018

About the Exam:

West Bengal Joint Entrance Examination (WBJEE) is a state level common entrance test organized by West Bengal Joint Entrance Examinations Board for admission to the Undergraduate Level Engineering and Medical Courses through a common entrance test in the State of West Bengal.

Important Concepts:

Important Questions and Preparation Tips – Equilibrium

Important Questions and Preparation Tips – Basic Concepts of Chemistry

Some previous years solved questions are given below:

Question 1:

Solution 1:

Hence, the correct option is (a).

Important Questions and Preparation Tips – Atomic Structure

Question 2:

Solution 2:

Hence, the correct option is (b).

Important Questions and Preparation Tips – Solid State

Question 3:

If P and P^o are the vapour pressure of the pure solvent and solution and n₁ and n₂ are the moles of solute and solvent respectively in the solution then the correct relation between P and P^o is

Solution 3:

According to Roult’s law we have:

Hence, the correct option is (C).

Important Questions and Preparation Tips - Phenols

Question 4:

Lowering of vapour pressure is highest for

(a) 0.1 M BaCl₂

(b) 0.1 M glucose

(c) 0.1 M MgSO₄

(d) urea

Solution 4:

Lowering of vapour pressure is directly proportional to the Van't Hoff factor (i).

For BaCl₂,i = 3 (maximum)

Thus, BaCl₂ has highest value relative lowering of vapour pressure.

Hence, the correct option is (a).

WBJEE 2018: Notification, Application, Dates, Eligibility, Exam Pattern, Syllabus

JEE Main 2018: New changes in exam centres, pattern and participating institutes