Engineering Entrance Sample Papers

Hydrogen and its Compounds Important Questions

JEE Main & Advanced Chemistry Hydrogen & Its Compounds

Hydrogen and its Compounds Important Questions

Question 1
Reaction of HBr with propene in the presence of peroxide gives
A
Isopropyl bromide
B
Allyl bromide
C
n-propyl bromide
D
3-bromo propane
Question 2
Ordinary water is not used as a moderator in nuclear reactors because
A
It cannot remove the heat from the reactor core
B
It cannot slow down fast moving neutrons
C
Of its corrosive action on the metallic parts of the nuclear reactor
D
It absorbs the fast moving neutrons
Question 3
Brackish water mostly contains
A
Calcium chloride
B
Barium sulphate
C
Sodium chloride
D
Mineral acids
Question 4
Which of the following gases is used for welding
A
Acetylene
B
Ethane
C
Ethene
D
Methane
Question 5
A salt producing hydrocarbon among these compounds is
A
Ethyne
B
Ethane
C
Methane
D
Ethene
Question 6
Addition of HCl does not obey antimarkownikoff’s rule because
A
It is a strong acid
B
Its bond energy is less
C
Its bond energy is high
D
It is a gas
Question 7
Which of the following is not linked with methane

Related: Important organic chemistry reactions Questions

A
Producer gas
B
Coal gas
C
Natural gas
D
Marsh gas
Question 8
The process used for the removal hardness of water is

Related: Hydrocarbons Questions / Answers

A
Baeyer
B
Calgon
C
Hoope
D
Serpeck
Question 9
2-Methylbutane on reacting with bromine in the presence of sunlight gives mainly
A
1-bromo-3-methylbutane
B
1-bromo-2-methylbutane
C
2-bromo-3-methylbutane
D
2-bromo-2-methylbutane
Question 10
When sodium propionate is heated with soda lime, the main product is
A
Propane
B
Propane
C
Methane
D
Ethane
Question 11
To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be
A
Ethyl bromide and n-butyl bromide
B
n-propyl bromide
C
Methyl bromide and n -pentyl chloride
D
Ethyl chloride and n-butyl chloride
Question 12
Which one of the following compounds does not form an ozonide
A
Propyne
B
Propane
C
Propene
D
Ethene
Question 13
What is true about ice?
A
It is a good conductor of heat
B
Its density is less than water
C
It is a thermal insulator
D
Its density is more than water
Question 14
Ozonolysis of which one of the following will give two molecules of acetaldehyde
A
1-pentene
B
2-butene
C
2-pentene
D
1-butene
Question 15
The solubility of an ionic compound is compared in heavy and simple water. It is
A
Lower in simple water
B
Higher in heavy water
C
Lower in heavy water
D
Same in heavy water and simple water
Question 16
When ethylene bromide is treated with Zn, we get
A
Alkane
B
Alkyne
C
All
D
Alkene
Question 17
Shape of ethylene molecule is

Related: BITSAT Chemistry model papers

A
Pyramidal
B
Linear
C
Planar
D
Tetrahedral
Question 18
Anhydrous sodium acetate on heating with sodalime gives
A
Calcium acetate
B
Methane
C
Acetic acid
D
Ethane
Question 19
Which of the following is not an endothermic reaction?
A
Change of chlorine molecule into chlorine atoms
B
Dehydrogenation
C
Combustion of propane
D
Ethane to ethene
Question 20
TiH­1.73 is an example of

Related: COMEDK Maths Sample paper

A
Metallic hydride
B
Polymeric hydride
C
Covalent hydride
D
Ionic hydride
Question 21
Atomic hydrogen reacts with oxygen to give
A
Almost pure hydrogen peroxide
B
Almost pure water
C
None of these
D
A mixture of water and hydrogen peroxide
Question 22
Petroleum consists mainly of
A
None of these
B
Aromatic hydrocarbons
C
Aliphatic hydrocarbons
D
Aliphatic alcohols
Question 23
The element whose hydride contains maximum number of hydrogen per atom of the element is
A
O
B
Si
C
B
D
Na
Question 24
The volume strength of perhydrol is
A
100
B
20
C
10
D
30
Question 25
A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH gives
A
2-propene
B
Isopropylene
C
1-propene
D
All the three
There are 25 questions to complete.

 

Share with your Friends...
Share on Facebook
Facebook
Tweet about this on Twitter
Twitter
Share on LinkedIn
Linkedin
Pin on Pinterest
Pinterest
Print this page
Print

About the author

Vishal Arora

Leave a Comment

1 Comment