Chemistry MCQ on Alkane for NEET, JEE, Medical and Engineering Exam 2022
MCQ on Alkane: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.
In this post we are providing you MCQ on Alkane, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.
MCQ on Alkane
Q1. Paraffin wax is a) Ester
a) Ester
b) Alcohol
c) Saturated hydrocarbons
d) Unsaturated hydrocarbons
Q2. The bond angle between H-C-C bonds in ethane is _______. b) 109.5°
a) 105.5°
b) 109.5°
c) 180°
d) 100.9°
Q3. Identify the incorrect statement. a) They are very reactive
a) They are very reactive
b) They have very less biological activity
c) Petroleum and natural gas are the main sources of alkanes
d) Alkanes with repeated –CH2– units constitute a homologus series
Q4. Find the alkane (C5H12), which will give only one type of monohalogenated compound. d) 2,2-dimethylpropane
a) n-pentane
b) cyclopentane
c) 2-methylbutane
d) 2,2-dimethylpropane
Q5. Identify the simplest alkane. c) Methane
a) Ethane
b) Ethene
c) Methane
d) Methene
Q6. Which of the following conformation of n-butane is the most stable? c) Staggered
a) Eclipsed
b) Gauche
c) Staggered
d) Skew Boat
Q7. Select the incorrect statement regarding alkanes. a) Alkanes have the general formula CnH2n
a) Alkanes have the general formula CnH2n
b) In alkanes, C-C bonds are single
c) It is an acyclic saturated hydrocarbon
d) It is otherwise known as Paraffin
Q8. Find the correct order for relative energies of the ethane conformations. c) staggered < skewed < eclipsed
a) skewed < staggered < eclipsed
b) staggered < eclipsed < skewed
c) staggered < skewed < eclipsed
d) skewed < eclipsed < staggered
Q9. Select the minimum number of carbon atoms, a molecule must possess so as to be regarded as a higher alkane. d) 17
a) 11
b) 13
c) 15
d) 17
Q10. Alkanes undergo halogenation. It is an example of _______. d) Free-radical substitution
a) Elimination
b) Electrophilic substitution
c) Nucleophilic substitution
d) Free-radical substitution
Q11. Liquified petroleum gas is mainly composed of ________. a) Propane and butane
a) Propane and butane
b) Butane and hexane
c) Methane and ethane
d) Ethane and propane
Q12. The other name for branched chain alkanes is _________. b) Isoparaffins
a) Paraffins
b) Isoparaffins
c) Neoparaffins
d) Naphthenes
Q13. Which among the following compound has the highest boiling point ? b) n-Octane
a) Iso-octane
b) n-Octane
c) n-Butane
d) 3-Tetramethylbutane
Q14. An alkane with 6 carbon atoms will have how many hydrogen atoms? c) 14
a) 10
b) 12
c) 14
d) 16
Q15. Find the correct order for the ease of formation of free radicals. d) 3° > 2° > 1°
a) 1° > 2° > 3°
b) 2° > 3° > 1°
c) 2° > 1° > 3°
d) 3° > 2° > 1°
MCQ Link for NEET/JEE | |
JEE/NEET Physics MCQ | Click Here |
NEET/JEE Chemistry MCQ | Click Here |
NEET Biology MCQ | Click Here |
JEE Math’s MCQ | Click Here |
Notes PDF Link for NEET/JEE | |
Physics Notes PDF | Click Here |
Chemistry Notes PDF | Click Here |
Biology Notes PDF | Click Here |
Math’s Notes PDF | Click Here |
Follow on Facebook
By Team Learning Mantras