12th Class FSc Part 2 Chemistry Chapter Wise Online MCQ Test With Answer PDF

Chemistry Fsc Part 2 Online Test

Sr. #	Questions	Answers Choice
1	The reactivity order of alkyl halides for a particular alkyl group is.	Fluoride > Chloride > Bromide > Iodide Chloride > Bromide >Chloride > Fluoride Iodide > Bromide > Chloride > Fluoride Bromide > Iodide > Chloride > Fluoride
2	In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms.	One Two Three Four
3	The compound which can not be nitrated easily.	Benzene Nitrobenzene Phenol Toluene
4	Which one is not electrophile	BF3 SO3 AlCl3 NH3
5	Which group when attached with benzene increases electron density of ring.	-COOH -NO -CHO -CH3
6	Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.	m -chloronitrobenzene o and p chloronitrobenzene o and m chloronitrobenzene mixture of O2 m and p chloronitrobenzene
7	Which one of the following species is meta director if present at benzene ring.	-NO2 -Cl -CH3 -OH
8	Which of the following species is ortho and para director.	CHO SO3H NO2 Cl
9	The aromatic ring of Benzene can be hydrogenated in the presenc eof.	Pt Rh Sunlight O3
10	Which compound form benzoic acid on oxidation with strong oxidizing agent.	Toluene Ethyl benzene n propyl benzene All
11	The conversion of benzene to chlorobenzene is a	Addition reaction Elimination reaction Substitution reaction Dehydration process
12	When acetylene is heated at 300 ^oC in copper tube, the product obtained is.	Benzene Alkyl benzene Ether Alcohol
13	Main source of aromatic compound is	Petroleum Coaltar Living organisms Dead marine animals
14	Phenol when distilled with zinc dust gives.	Toluene Benzaldehyde Benzoic acid Benzene
15	Hydrolysis of benzene sulphonic acid with superheated steam or by boiling with dil HCl gives.	Toluene Benzene Xylene Chlorobenzene
16	Which makes a molecule more stable.	Greater localization of pi electrons Less delocalization of pi electrons Greeter delocalization of pi electrons Less delocalization for pi electrons
17	The difference of actual and theoretical heat of hydrogenation of compound is called.	Lattice energy Resonance energy Ionization energy Enthalpy of formation

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