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 Structure of carbonyl is Tetrahedral Linear Octahederal Trigonal planar
2 A snake was preserved in a solution and was placed in biology laboratory. The solution is. De ionized water Fehling solution Formalin Chloroform
3 Formalin is 10% solution of formaldehyde in water 20% solution of formaldehyde in water 40% solution of formaldehyde in water 60% solution of formaldehyde in water
4 The carbon atom of a carbonyl group is sp hybridized sp<sup>2</sup>hybridized sp<sup>3</sup>hybridized none of these
5 Which one has yellow or orange cyrstalline ppt Acetone hydrazone 2, 4 DNPH Ethanal oxime Bisulphite addition product
6 Aldehydes and ketones can be defected by 2, 4 DNPH test Tollen's test Sodium Nitro prusside test Benedicts solution test
7 Silver mirror test is given by Ethers Ketones Acids Aldehydes
8 Which reaction is disproportionate reaction Aldol Condensation Cannizzaros's reaction Haloform reactions Acid Catalyzed reactions
9 Which reaction is disproportionate reaction Aldol Condensation Cannizzaros's reaction Haloform reactions Acid-catalyzed reactions
10 Cannizzaro's reaction is given by Acetaldehyde Formaldehyde Propanal Propanone
11 Which is most difficult to be oxidized CH<sub>3</sub>CHO CH<sub>3</sub>COCH<sub>3</sub> HCHO C<sub>2</sub>H<sub>5</sub>CHO
12 Aldehyde react with hydroxyl amine in acidic solution to give An oxime Aldol Polymer Acetic acid
13 Acetone reacts with HCN to form cyanohydrin it is an example of Electrophilic addition Electrophilic substitution Nucleophilic addition Nucleophilic subtitution
14 Which reagent will react with both aldehyde and ketones Grignard reagent Tollen's reagent Fehling's reagent Benedict's reagent
15 Cannizzaro's reaction is not given by Formaldehyde Acetaldehyde Benzaldehyde Trithylacetaldehyde
16 Which of the following compounds will not give Iodoform test on treatment with I2/ NaOH Acetaldehyde Acetone Butanone 3-Pentanone
17 Formalin is a 40% solution of CH<sub>3</sub>CHO CH<sub>3</sub>OH HCHO CH<sub>3</sub>OCH
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