Organic Chemistry Multiple Choice Questions and Answers – Hydrocarbons

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Questions
1 Hydrocarbons are organic compounds with element __________
A Hydrogen
B Oxygen
C Carbon
D Both hydrogen and carbon

Answer: Both hydrogen and carbon
2 Find the odd one out.
A Aromatic
B Alkanes
C Alkynes
D Alkenes

Answer: Aromatic
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3 The simplest member of organic compounds is?
A Methanol
B Methane
C Formaldehyde
D Formic acid

Answer: Methane
4 Ethane is obtained by electrolyzing __________
A Potassium formate
B Potassium succinate
C Potassium acetate
D Potassium fumarate

Answer: Potassium succinate
5 “Methane is a product of aerobic respiration”.
A False
B True

Answer: False
6 Calcium carbide on reaction with water gives?
A Methane
B Ethane
C propane
D Acetylene

Answer: Acetylene
7 Name the process associated with acylation of benzene.
A Friedel craft reaction
B Wurtz reaction
C Wurtz fitting reaction
D Debey Huckel reaction

Answer: Friedel craft reaction
8 The hydrocarbon in which all the 4 valencies of carbon are fully occupied is called as __________
A Alkene
B Alkyne
C Alkane
D Cycloalkane

Answer: Alkane
9 Liquid hydrocarbon is converted into gaseous hydrocarbon by __________
A Oxidation
B Hydrolysis
C Cracking
D Distillation

Answer: Cracking
10 Chlorination of alkanes is an example of __________
A Radical
B Elimination
C Free radical
D Addition

Answer: Free radical

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