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, 2019, 2020, 2021, 2022, and 2023 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%