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
