Download PDF
Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Cycloalkanes are associated with the general formula called __________
[A]
CnH2n+2
[B]
CnH2(n+2)
[C]
CnH2n+1-r
[D]
CnH2(n+1-r)
(2)
Cycloalkanes have the same melting and boiling points as their corresponding alkanes.
(3)
Identify the incorrect statement regarding cycloalkanes.
[A]
These have sp3 hybridized carbons
[B]
These have tetrahedral bond angles
[C]
Stability of the cycloalkanes varies directly with their respective size
[D]
These undergo nucleophilic substitution reactions
Answer: These have tetrahedral bond angles
(4)
Identify the compound with the highest ring strain.
[A]
Cyclomethane
[B]
Cyclopropane
[C]
Cyclobutane
[D]
Cyclopentane
(5)
Which among the following compounds explodes on contact with oxygen?
[A]
Cyclopropane
[B]
Cyclobutane
[C]
Cyclopentane
[D]
Cyclohexane
(6)
Identify the incorrect statement regarding cyclobutane.
[A]
The carbon atoms in the cyclobutane are non-coplanar
[B]
These exist in nature as colourless gas
[C]
Cyclobutane is a commercially important compound
[D]
These compounds often show butterfly conformation
Answer: Cyclobutane is a commercially important compound
(7)
Identify the alicyclic hydrocarbon which is highly flammable.
[A]
Cycloheptane
[B]
Cyclopentane
[C]
Cyclopropane
[D]
Cyclooctane
(8)
Identify the incorrect statement regarding cyclohexane.
[A]
It is non-polar
[B]
It serves as an organic solvent
[C]
It a hydrophilic hydrocarbon
[D]
It is commercially used for variety of applications
Answer: It a hydrophilic hydrocarbon
(9)
Identify the incorrect statement regarding cycloalkenes.
[A]
The bonds in them are fewer compared to those in alkenes
[B]
They occur in gaseous form in nature
[C]
These undergo polymerization
[D]
The conjugated double bonds in them increase their stability
Answer: They occur in gaseous form in nature
(10)
Cycloalkene exhibits aromatic character.
Please share this page