KCET SERIES Chemistry
Hydrocarbons
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
1
2018 1
2016 1
2014 3
2013 3
2012 3
2011 1
2009 1
2007 1
2004 Chapter Questions 15 MCQs
01
PYQ 2004
medium
chemistry ID: kcet-200
When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is :
1
Methanol
2
Methanal
3
Methanoic acid
4
Ethanal
02
PYQ 2007
medium
chemistry ID: kcet-200
Benzene reacts with chlorine in sunlight to give a final product
1
2
3
4
03
PYQ 2009
easy
chemistry ID: kcet-200
In electrophillic aromatic substitution reaction, the nitro group is meta directing because it
1
increases electron density at meta position
2
increases electron density at ortho and para positions
3
decreases electron density at ortho and para positions
4
decreases electron density at meta position
04
PYQ 2011
medium
chemistry ID: kcet-201
Which one of the following is an intermediate in the reaction of benzene with in the presence of anhydrous ?
1
2
3
4
05
PYQ 2011
medium
chemistry ID: kcet-201
Increasing order of carbon-carbon bond length for the following is
1
B < C < A < D
2
C < B < A < D
3
B < A < C < D
4
D < C < A < B
06
PYQ 2011
easy
chemistry ID: kcet-201
Ethyl benzene cannot be prepared by
1
Wurtz reaction
2
Wurtz-Fittig reaction
3
Friedel-Crafts reaction
4
Clemmensen reduction
07
PYQ 2012
easy
chemistry ID: kcet-201
of acetic acid is completely neutralized using a standard solution of .The volume of Ethane obtained at after the complete electrolysis of the resulting solution is
1
112 mL
2
56 mL
3
224 mL
4
560 mL
08
PYQ 2012
medium
chemistry ID: kcet-201
Which one of the following is NOT formed when a mixture of methyl bromide and bromo benzene is heated with sodium metal in the presence of dry ether ?
1
Ethane
2
Diphenyl
3
Propane
4
Toluene
09
PYQ 2012
easy
chemistry ID: kcet-201
of methane is completely burnt using of oxygen. The volume of the gas left after cooling to room temperature is
1
80 mL
2
40 mL
3
60 mL
4
30 mL
10
PYQ 2013
medium
chemistry ID: kcet-201
An alkyl bromide reacts with Sodium in ether to form -diethyl octane, the compound X is
1
2
3
4
11
PYQ 2013
medium
chemistry ID: kcet-201
Cycloalkane formed when -dibromopehtane is heated with Sodium is
1
Methyl cyclobutane
2
Cyclopentane
3
Cyclobutane
4
Methyl cyclopentane
12
PYQ 2013
medium
chemistry ID: kcet-201
Conversion of benzene to acetophenone can be brought by
1
Wurtz reaction
2
Wurtz-Fittig's reaction
3
Friedel Crafts alkylation
4
Friedel Crafts acylation
13
PYQ 2014
medium
chemistry ID: kcet-201
can be obtained by Etard's reaction, undergoes disproportionation reaction with concentrated alkali. could be
1
2
3
4
14
PYQ 2016
medium
chemistry ID: kcet-201
Electrophile that participates in nitration of benzene is
1
2
3
4
15
PYQ 2018
medium
chemistry ID: kcet-201
The reagent 'X' used for the following reaction is
1
Ni
2
Pd/C
3
4
Na/Liquid
About Hydrocarbons - KCET
Hydrocarbons is a vital chapter for KCET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Hydrocarbons PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Hydrocarbons carry the most weight. Then, tackle the questions iteratively to solidify your understanding.