Fsc Part 2 Chemistry Online Test-Chapter 9 Aromatic Hydrocarbons | ilmkidunya

Chemistry Fsc Part 2 Chapter 9 Online Test

Sr. #	Questions	Answers Choice
1	Cyclic structure of benzene was proposed by	Dewar Faraday Down Kekule
2	Effect of substituent on benzene ring is due to	Resonance Inductive effect Both a and b Neither a nor b
3	Biphenyl is	Monocyclic aromatic compound Polyclic aromatic compound Polycyclic fused ring compound Alicyclic compound
4	The number of possible isomers of xylene are	2 3 4 5
5	The conversation of n-hexane into benzene by heating in in the presence of Pt is called	Isomerization Aromatization Dealkylation Rearrangement
6	Aromatic compounds burns with sooty flame because.	They have high percentage of hydrogen The have a right structure The have high percentage of carbon The resist reaction with air
7	Which compound is the more reactive	Benzene Ethene Ethane Ethyne
8	Among the following the compound that can be most readily suphonted is.	Toluene Benzene Nitrobenzene Chlorobenzene
9	Benzene can not undergo.	Substitution reactions Addition reactions Oxidation reactions Elimination reactions
10	Aromatic hydro carbon are the derivatives of	Normal series of paraffins Alkene Benzene Cyclohexane
11	The benzene molecule contains.	Three double bonds Two double bonds One double bonds Delocalized sigma electron charge
12	Which compound is the most reactive one	benzene ethene ethane ethyne
13	During nitration of benzene, the active nitrating agent is	NO<sub>3</sub> NO<sub>2</sub><sup>+</sup> NO<sub>2</sub><sup>-</sup> HNO<sub>3</sub>
14	Amongst the following, the compound that can be most readily sulphonated is	toluene benzene nitrobenzene chlorobenzene
15	Which one is not a meta directing group	-COOH -CHO -COR -NH<sub>2</sub>
16	Amongst the following, the compound of that can be most readily sulphonated is	Toluene Benzene Nitro-benzene Chloro-benzene
17	m-choronitro benzene is prepared by	Nitration of chlorobenzene Nitration of Benzene Chlorination of Nitrobenzene Nitration of m-chlorobenzene

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