MCQ on Hydrocarbons: 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 Hydrocarbons, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.
Q1. The product obtained on heating 2-Bromopentane with potassium ethoxide in ethanol is c) trans-2-pentene
a) 1-pentene
b) 2-cis-pentene
c) trans-2-pentene
d) 2-ethoxy pentane
Q2. Which one of the following halide can be used in the Friedel-Crafts reaction? a) Isopropyl chloride
a) Isopropyl chloride
b) Bromobenzene
c) Chlorobenzene
d) Chloroethene
Q3. Choose the process by which liquid hydrocarbons can be converted to gaseous hydrocarbons c) cracking
a) hydrolysis
b) oxidation
c) cracking
d) distillation under reduced pressure
Q4. Which among the following reagent can be used to distinguish between CH2BrCH=CH2 from CH3CH=CHBr? d) AgNO3/C2H5OH
a) Br2/CCl4
b) Ag(NH3)2OH
c) cold KMnO4
d) AgNO3/C2H5OH
Q5. Which one of the following compound forms salt on reaction with NaNH2? a) C2H2
a) C2H2
b) C2H6
c) C2H4
d) C6H6
Q6. C6H5CHO is formed when C6H6 is treated with CO and HCl in the presence of anhydrous AlCl3. Name of the reaction is d) Gattermann Koch reaction
a) Stephen reaction
b) Rosenmund reaction
c) Friedel crafts reaction
d) Gattermann Koch reaction
Q7. Isopropyl iodide is formed after reaction of propene with HI, this is due to d) more stable carbocation
a) homolysis
b) more stable free radical
c) more stable carbanion
d) more stable carbocation
Q8. A compound having a bond angle 180° is a) alkyne
a) alkyne
b) alkane
c) alkene
d) cycloalkane
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