Chemistry Fsc Part 2 Chapter 12 Online Test With Answers

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Chemistry Fsc Part 2 Chapter 12 Online Test

Sr. # Questions Answers Choice
1 Which substance is used for silvering of mirror. Acetaldehyde Ethanol Ethylene glycol Acetone
2 Paraldehyde is used as a Medicine Poison Polymer Dye
3 An aldehyde compound can be reduced to alkane by Wurtz reaction Grignard reaction Wolf Kishner reaction Kolbe's reaction
4 Air of the following tests are used to identify aldehydes except. Tollen's test Fehling test Baeyer's test Benedict test
5 All of the following tests are used to identify aldehydes except. Tollen's test Fehling test Baeyer's test Benedict test
6 Paraldehyde is polymer of. HCHO CH3CHO CH3COCH3 CH3CH2-CH2OH
7 Which one of the following compounds is not derivative of NH3. Aniline Hydrazine Phenyl hydrazine Picric acid
8 On heating aldehydes with Fehling's solution we get a precipitate whose colour is Pink Black Yellow Brick red
9 Oxime is an addition product obtained when aldehydes react with. HCN NH2OH Phenyl hydrazine H2O
10 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
11 when aldehydes react with Tollen's reagent. A ketone is produced An alcohol is produced Ag ions are produced Ag ions are reduced
12 All of the followings react with Fehling solution except CH2CH2CHO CH3-CH2COCH3 HCHO CH3-CHO
13 Which can produce ketone Sec alcohol Calcium acetate Propyne All of these
14 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
15 Acetaldehyde undergoes, aldol condensation in the presence of. dil HNO3 DIL NaOH dil HCl Conc. H2SO4
16 Which one of the following compounds undergoes Cannizzaro's Reaction. Acetaldehyde Benzaldehyde Acetone Propionaldehyde
17 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
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