WBJEE: Important Questions and Preparation Tips for Alcohol

Find the notes for chapter Alcohol including all important topics like classification of alcohol, physical properties of alcohol, chemical properties of alcohol, mechanism of dehydration etc. for coming WBJEE entrance examination 2018. Every year students get 1-2 questions from this chapter in the examination.

These chapter notes are prepared by Subject Experts of Chemistry after analyzing the pattern and difficulty level of few last years' papers of WBJEE examination.

In these notes, we have tried to include all important concepts, chemical formulae and some solved questions which will help aspirants in their preparation. Also, the mechanisms of all the reactions are explained in a very clear manner.

These notes contain the crux of the chapter Alcohol. These notes can be used for quick revision just before few days of the examination. It will help aspirants to save their precious time.

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.

WBJEE: Important Questions and Preparation Tips – Solutions

Important Concepts:

WBJEE: Important Questions and Preparation Tips – States of Matter

Some solved questions are given below:

Question 1:

Solution 1:

Hence, the correct option is (d).

WBJEE: Important Questions and Preparation Tips – Electrochemistry

Question 2:

Solution 2:

WBJEE: Important Questions and Preparation Tips – Basic Concepts of Chemistry

Question 3:

Which of the following compounds would not react with Lucas reagent at room temperature?

(a)  H₂C=CHCH₂OH

(b) C₆H₅CH₂OH

(c)  CH₃CH₂CH₂OH

(d) (CH₃)₃COH

Solution 3:

Lucas' reagent is a solution of anhydrous zinc chloride in concentrated hydrochloric acid. The reaction is a substitution in which the chloride replaces a hydroxyl group. Since, CH₃ CH₂CH₂OH does not undergo SN₁ or SN₂ at room temperature so, this compound will not react with Lucas reagent at room temperature.

Hence, the correct option is (c).

WBJEE: Important Questions and Preparation Tips – Atomic Structure

Question 4:

Solution 4:

Hence, the correct option is (A).

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