Chemistry MCQs Part 18

chemistry mcqs for all test preparation
171. The first member of alkene series is?
A. Methane
B. Ethane
C. Ethene
D. Ethyne

172. Isomerism in which the compounds possess the same molecular formula but different arrangement of carbon atoms in the hydrocarbon chain is called?
A. Functional isomerism
B. Position isomerism
C. Chain isomerism
D. None of above

173. Iso-butane possesses?
A. Position isomerism
B. Functional isomerism
C. Mesmerism
D. Chain isomerisy

174. A process that breaks large molecules into smaller one is called?
A. Refining
B. Reforming
C. Cracking
D. None of above

175. Compounds which contain only carbon and hydrogen elements are called?
A. Carbohydrates
B. Hydrocarbons
C. Halides
D. None of above

176. The hydrocarbons which contain one more double or triple bonds are called?
A. Saturated hydrocarbons
B. Unsaturated hydrocarbons
C. Paraffin
D. Halogens

177. The hydrocarbons in which carbon atoms are arranged in rings are called?
A. Aliphatic
B. Aromatic
C. Ali cyclic
D. None of above

178. The quality of petrol is measured by?
A. Cracking
B. Reforming
C. Octane number
D. Decane number

179. The first member of Alkyne series is?
A. Methane
B. Ethane
C. Ethane
D. Acetylene

180. The number of isomers in butane is?
A. 1
B. 2
C. 3
D. 4

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