>
Exams
>
Chemistry
>
Hydrocarbons
>
which of the following are carcinogenic hydrocarbo
Question:
Which of the following are carcinogenic hydrocarbons? (i) 1,2-Benzanthracene
(ii) Pent-1-yne
(iii) 1,2-Benzpyrene
(iv) Cyclohexane
(v) 3-Methylcholanthrene
Show Hint
Large fused aromatic systems are usually carcinogenic.
KEAM - 2026
KEAM
Updated On:
Apr 24, 2026
(i), (ii), (v)
(ii), (iii), (iv)
(i), (ii), (v)
(i), (iii), (v)
(ii), (iii), (iv)
Show Solution
Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
Concept:
• Polycyclic aromatic hydrocarbons (PAHs) are carcinogenic
Step 1:
Identify PAHs
(i), (iii), (v) → carcinogenic
Step 2:
Non-carcinogenic
(ii), (iv) → simple hydrocarbons
Final Conclusion:
Option (D)
Download Solution in PDF
Was this answer helpful?
0
0
Top KEAM Chemistry Questions
The pH of a solution obtained by mixing 60 mL of 0.1 M BaOH solution at 40m of 0.15m HCI solution is
KEAM - 2016
Chemistry
Acids and Bases
View Solution
$4\, g$
of copper was dissolved in concentrated nitric acid. The copper nitrate solution on strong heating gave
$5\, g$
of its oxide. The equivalent weight of copper is :
KEAM - 2004
Chemistry
Stoichiometry and Stoichiometric Calculations
View Solution
Green chemistry deals with
KEAM - 2014
Chemistry
Environmental Chemistry
View Solution
Neopentyl bromide undergoes dehydrohalogenation to give alkenes even though it has no
$\beta$
- hydrogen. This is due to
KEAM
Chemistry
Haloalkanes and Haloarenes
View Solution
Plot of
$ log\text{ }x/m $
against log
$p$
is a straight line inclined at an angle of
$ 45{}^\circ $
. When the pressure is
$ 0.5 \,arm $
and Freundlich parameter.
$ k $
is
$ 10 $
, the amount of solute adsorbed per gram of adsorbent will be
$ (log\text{ }5=0.6990) $
KEAM
Chemistry
Adsorption
View Solution
View More Questions
Top KEAM Hydrocarbons Questions
Sulfonation of benzene with excess sulfuric acid provides
KEAM
Chemistry
Hydrocarbons
View Solution
$ {{(C{{H}_{3}})}_{3}}CMgCl $
on reaction with
$ {{D}_{2}}O $
produces
KEAM
Chemistry
Hydrocarbons
View Solution
Chlorination of benzene in the presence of halogen carrier is an example of
KEAM
Chemistry
Hydrocarbons
View Solution
Which one of the following reactions proceeds through free radical chain mechanism?
KEAM
Chemistry
Hydrocarbons
View Solution
In the eclipsed conformation of ethane, the dihedral angle between the hydrogen atoms of adjacent methyl groups is
KEAM
Chemistry
Hydrocarbons
View Solution
View More Questions
Top KEAM Questions
i.
$\quad$
They help in respiration ii.
$\quad$
They help in cell wall formation iii.
$\quad$
They help in DNA replication iv.
$\quad$
They increase surface area of plasma membrane Which of the following prokaryotic structures has all the above roles?
KEAM - 2015
Prokaryotic Cells
View Solution
A body oscillates with SHM according to the equation (in SI units),
$x = 5 cos \left(2\pi t +\frac{\pi}{4}\right) .$
Its instantaneous displacement at
$t = 1$
second is
KEAM - 2014
Energy in simple harmonic motion
View Solution
The pH of a solution obtained by mixing 60 mL of 0.1 M BaOH solution at 40m of 0.15m HCI solution is
KEAM - 2016
Acids and Bases
View Solution
Kepler's second law (law of areas) of planetary motion leads to law of conservation of
KEAM - 2016
Keplers Laws
View Solution
If
$\int e^{2x}f' \left(x\right)dx =g \left(x\right)$
, then
$ \int\left(e^{2x}f\left(x\right) + e^{2x} f' \left(x\right)\right)dx =$
KEAM - 2017
Methods of Integration
View Solution
View More Questions