Aldehydes And Ketones Unit 12 MCQs Fsc Chemistry 2nd Year

Aldehydes And Ketones Unit 12

Aldehydes And Ketones Unit 12 solved MCQs from past papers of Inter Boards. All MCQs are from previous Board papers from 2014, 2015,2016,2017, 2018. Download in pdf.

Aldehydes And Ketones Unit 12 Solved MCQs

Aldehydes And Ketones

MULTIPLE CHOICE QUESTIONS (MCQ’s)

(From Previous Boded Papers 2014-2015-2016-2017-2018)

The carbon atom of carbonyl group is hybridized. GII, 2014) (SGD. GII, GRW.
(B) sp?
(C) sp
(D) dsp?

Which of the following has highest boiling point? (LHR. DGK. 2017) (BWP. GI, 2018)
(A) Methanl
(B) Ethanal
(C) Propanal
(D) 2-hexanone

Which of the following compounds will not give iodoform test on treatment NaOH.
(A) Acetaldehyde
(B) Acetone
(C) Butanone
(D) 3-Pentanone

The carbon atom of a carbonyl group is hybridized: (LHR. GI, 2016) (MLN. 2018)
(A) sp
(B) sp?
(C) sp
(D) dsp?

Unit 12 MCQs Fsc Chemistry 2nd Year

Cannizzaro’s reaction is not given by. (AJK, 2016) (RWP. GII, 2017)
(A) Formaldehyde
(B) Acetaldehyde
(C) Benzaldehyde
(D) Triethyl acetaldehyde

Which of the following compounds will not give an iodoform test on treatment /NaOH?
(A) acetaldehyde
(B) acetone
(C) butanone
(D) 3-pentanone

Silver mirror test is given by. (BWP. 2014)
(A) Ethers
(B) Ketones
(C) Acids
(D) Aldehydes

Aldehydes and ketones can be detected by (DGK. GI, 2014)
(A) 2,4-DNPH Test
(B) Tollen’s Test
(C) Sodium Nitroprusside test
(D) Benedictsoloution test

Which reagent will react with both aldehyde and ketones?  (DGK 2017)
(A) Grignard reagent
(B) Tollen’s reagent
(C) Fehling’s reagent
(D) Benedict’s reagent

Cannizzaro reaction is not given by: (MLN. GI, 2014)
(A) HCHO
(B) CH3CHO
(C) C6H5CHO
(D) (CH3)2 CHO

Aldol condensation is given by:
(B) Formaldehyde
(A) Acetaldehyde
(D) Trimethyl acetaldehyde
(C) Benzaldehyde

Which is most difficult to be oxidized? (LHR. GII, 2015)
(A) CH,COCH,
(B) HCHO
(C) CH,CHO
(D) C,H,CHO

Cannizzaro’s reaction is given by: (LHR. GII, 2016) (GRW.2018)
(A) Acetaldehyde
(B) Formaldehyde
(C) Propanal
(D) Propanone

Formalin is a 40% solution of: (FBD. 2014) (LHR. GI, 2018)
(A) CH,CHO
(B) CH,OH
(C) HCHO
(D) CHOCH

Ketones are prepared by the oxidation of: (MLN. GII, RWP. 2018)
(A) primary alcohol
(B) secondary alcohol
(C) tertiary alcohol
(D) none of these

Which of the following compounds will react with Tollen’s reagent? (LHR 2014)
(A) CH, -C-H
(B) CH, -C-CH,
(C) CH, -С-ОН
(D) CHF-C-CH2-CH,

Which of the following will react with Tollen’sreagent. (LHR (AJK. 2018)
(A) CH-C-H
(B) CH,COCH
(C) CH,COOH
(D) CH,CO,CH,

2nd-year chemistry Unit 12 Solved MCQs

Which one has yellow or orange crystalline ppt? (DGK. GII, 2015)
(A) Acetone hydrazone
(B) 2,4-DNPH
(C) Ethanal oxime
(D) Bisulphite addition product

Which of the following compound will react with Benedict Solution?
(A) H,C-C-CH,
(B) H,C-C-H
(C) H,C, -С-Н
(D) H4C-0 -CH,

Cannizzaro’s reaction is not given by: (AJK. GI, 2016)  RWP. DGK. 2018)
(A) Formaldehyde
(B) Acetaldehyde
(C) Benzaldehyde
(D) Trimethyl acetaldehyde

Which reaction is disproportionation reaction? (RWP. 2016)
(A) Aldol Condensation
(B) Cannizzaros’s reaction
(C) Haloform reactions
(D) Acid-Catalyzed reactions

Formalin is a solution of formaldehyde in water (SGD. GII, 2018)
(A) 10%
(B) 20 %
(C) 40 %
(D) 60%

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