Chemistry Fsc Part 2 Online Test With Answers

image
image
image

Chemistry Fsc Part 2 Online Test

Sr. # Questions Answers Choice
1 All of the following tests are used to identify aldehydes except. Tollen's test Fehling test Baeyer's test Benedict test
2 Paraldehyde is polymer of. HCHO CH3CHO CH3COCH3 CH3CH2-CH2OH
3 Which one of the following compounds is not derivative of NH3. Aniline Hydrazine Phenyl hydrazine Picric acid
4 On heating aldehydes with Fehling's solution we get a precipitate whose colour is Pink Black Yellow Brick red
5 Oxime is an addition product obtained when aldehydes react with. HCN NH2OH Phenyl hydrazine H2O
6 To product aldehyde group against alkaline oxidizing agent. It is reduced in the presence of catalyst An acetal is formed It is oxidized It is treated with aqueous NaBH4
7 when aldehydes react with Tollen's reagent. A ketone is produced An alcohol is produced Ag ions are produced Ag ions are reduced
8 All of the followings react with Fehling solution except CH2CH2CHO CH3-CH2COCH3 HCHO CH3-CHO
9 Which can produce ketone Sec alcohol Calcium acetate Propyne All of these
10 When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as. Cannizzaro reaction Wurtz reaction Wol;ficisthner reaction Aldol reaction
11 Acetaldehyde undergoes, aldol condensation in the presence of. dil HNO3 DIL NaOH dil HCl Conc. H2SO4
12 Which one of the following compounds undergoes Cannizzaro's Reaction. Acetaldehyde Benzaldehyde Acetone Propionaldehyde
13 Which one of the following compound does not react with NaOH and I2 and also does not form Iodoform. C2H5OH CH3CHO CH3-CO-CH3 C2H5-O-C2H5
14 Which substance usually undergo nucleophilic addition reactions. Benzenes Aldehydes Alkenes All of these
15 Formation of cyanohydrin from an aldehyde in an example of. Nucleophilic substitution Nucleophilic addition Electrophilic addition Electrophilic substitution
16 Acetaldehyde react, with Grignard reagent to form Primary alcohol Secondary alcohol Ter alcohol Carboxylic acids
17 A cyanohydrin is formed by the reaction of Alcohol and HCN Ketone and NH3 Aldehyde and NH2OH Aldehyde and HCN
Download This Set
×