Test: General Methods Of Preparation


10 Questions MCQ Test Chemistry Class 12 | Test: General Methods Of Preparation


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This mock test of Test: General Methods Of Preparation for Class 12 helps you for every Class 12 entrance exam. This contains 10 Multiple Choice Questions for Class 12 Test: General Methods Of Preparation (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: General Methods Of Preparation quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: General Methods Of Preparation exercise for a better result in the exam. You can find other Test: General Methods Of Preparation extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

Chlorobenzene is prepared commercially by

Solution:

The Raschig process is a chemical process for the production of hydroxylamine, developed by German chemist Friedrich Raschig. The main step in this process, patented by Raschig in 1887, is the reduction of nitrite with bisulfite towards hydroxylamine disulfonate, which is hydrolysed to hydroxylammonium sulfate.

QUESTION: 2

 Which of the following is major product of following reaction?
CH3CH = CH2 + HBr 

Solution:
QUESTION: 3

Which of the following compound will not give addition reaction with bromine?

Solution:
QUESTION: 4

RCl + NaI   R-I+NaCl


This reaction is known as:

Solution:
QUESTION: 5

 What is the order of reactivity of following halogen acids on alcohols?
HI, HBr, HCl

Solution:
QUESTION: 6

Which of the following is formed by Swarts Reaction?

Solution:
QUESTION: 7

On reacting ethene with HCl we get:

Solution:

hydrogen chloride adds to ethene to make chloroethane:

CH2=CH + HCl → CH3CH2Cl

QUESTION: 8

 Which of the following is formed in reaction mechanism of halogenation of alkanes in presence of UV light?

Solution:

Halogenation of alkanes in presence of UV light follows the free radical mechanis

QUESTION: 9

 Which of the following is intermediate in Sandmeyer’s reaction?

Solution:
QUESTION: 10

Which of the following is the major product of following reaction?
CH3CH = CH2 + HBr  in the presence of peroxide gives:

Solution:

Correct Answer : c

Explanation : The double bond is broken and hydrogen and bromine are added to the given compound. 

Bromine will add up on secondary carbon. (Markovnikov's Rule)

CH3CH=CH2 + HBr → CH3CH(Br)−CH3(1 – bromopropane)                                  

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