Fsc Part 2 Chemistry Online Test-Chapter 9 Aromatic Hydrocarbons

Chemistry Fsc Part 2 Chapter 9 Online Test

Sr. #	Questions	Answers Choice
1	The electrophile in Aromatic sulphonation is	H<sub>2</sub>SO<sub>4</sub> HSO<sub>4</sub><sup>1-</sup> SO<sub>3</sub> SO<sub>3</sub><sup>1+</sup>
2	Which catalyst is used Friedel Crafts reactions	AlCl<sub>3</sub> BeCl<sub>2</sub> NaCl HNO<sub>3</sub>
3	Benzene cannot undergo	Substitution reactions addition reactions oxidation reactions elimination reactions
4	Which of the following acid can be used as a catalyst in Friedel Craft's reactions	AlCl<sub>3</sub> HNO<sub>3</sub> BeCl<sub>2</sub> NaCl
5	The benzene molecule contains	three double bonds two double bonds one double bond delocalized pie-electron charge
6	Which compound is the most reactive	Benzene Ethene Ethane Ethyne
7	Which of the following is Ortho and Para directing group	-I -CHO -COR -NH<sub>2</sub>
8	During Nitration of Benzene the active nitrating agent is	NO<sub>3</sub> NO<sub>2</sub><sup>+</sup> NO<sub>2</sub> HNO<sub>3</sub>
9	The structure of Benzene is	Hexagonal irregular Tetrahedral Trigonal planner Hexagonal planner
10	The resonating contributing structures of Benzene are	2 3 5 7
11	Aromatic hydrocarbons are the derivatives of	Normal series of paraffins Alkene Benzene Cyclohexane