Aldehydes And Ketones MCQs

Option A: increases the nucleophilic character of reagent

Option B: increases electrophilic character of carbonyl compound

Option C: acidic character of reagent

Option D: both a and b

Correct Answer: increases the nucleophilic character of reagent ✔

Option A: 3 – hexanone

Option B: acetone

Option C: butanone

Option D: 2-pentanone

Correct Answer: acetone ✔

Option A: HCHO

Option B: C6H5CHO

Option C: Cl3CCHO

Option D: CH3COCH3

Correct Answer: CH3COCH3 ✔

Option A: Tartaric acid

Option B: Propanoic acid

Option C: Lactic acid

Option D: Valeric acid

Correct Answer: Lactic acid ✔

Option A: PdCl2

Option B: Cu2Cl2

Option C: CuCl2

Option D: PbCl2

Correct Answer: CuCl2 ✔

Option A: CnH2nO2n

Option B: CnH2n

Option C: CnH2nO

Option D: CnH2nOn+1

Correct Answer: CnH2n ✔

Option A: pink

Option B: black

Option C: yellow

Option D: brick red

Correct Answer: brick red ✔

Option A: 60%

Option B: 50%

Option C: 52%

Option D: 8%

Correct Answer: 52% ✔

Option A: HCOX

Option B: CX4

Option C: CHX3

Option D: CH3X

Correct Answer: CHX3 ✔

Option A: formamint

Option B: lactomint

Option C: aldomint

Option D: formalactose

Correct Answer: formamint ✔

Option A: formaldehyde

Option B: acetaldehyde

Option C: diemthyl ketone

Option D: propionaldehyde

Correct Answer: formaldehyde ✔

Option A: Grignard reagent

Option B: Tollens reagent

Option C: Fehlings reagent

Option D: Benedicts reagent

Correct Answer: Grignard reagent ✔

Option A: nucleophile addition

Option B: polymerization

Option C: oxidation

Option D: all of the above

Correct Answer: all of the above ✔

Option A: electronphilic addition

Option B: electrophilic substitution

Option C: nucleophilic addition

Option D: nucleophilic substitution

Correct Answer: nucleophilic addition ✔

Option A: 10%

Option B: 20%

Option C: 40%

Option D: 60%

Correct Answer: 40% ✔

Option A: sp hybridized

Option B: sp2 hybridized

Option C: cp3 hybridized

Option D: dsp2 hybridized

Correct Answer: sp2 hybridized ✔

Option A: methanol

Option B: ethanal

Option C: propanal

Option D: hexanone

Correct Answer: hexanone ✔

Option A: ethanol and methanol

Option B: acetaldehyde and methanal

Option C: acetone and diethyl ketone

Option D: all of the above

Correct Answer: all of the above ✔

Option A: hydrogen ion

Option B: hydride ion

Option C: oxide ion

Option D: methoxide ion

Correct Answer: hydride ion ✔

Option A: formaldehyde

Option B: acetaldehyde

Option C: methane

Option D: acetone

Correct Answer: acetone ✔

Option A: proton

Option B: H+

Option C: both A & amp; B

Option D: H-

Correct Answer: H- ✔

Option A: Alcohol

Option B: Ketone

Option C: Both A & B

Option D: None of the above

Correct Answer: Both A & B ✔

Option A: Acid

Option B: Base

Option C: Both A and B

Option D: None

Correct Answer: Both A and B ✔

Option A: ketone

Option B: Aldehyde

Option C: Alkene then – COOH

Option D: Ester

Correct Answer: Aldehyde ✔

Option A: carbonic acid

Option B: ethanol

Option C: acetic acid

Option D: methanoic acid

Correct Answer: acetic acid ✔

Option A: HCHO

Option B: CH3CHO

Option C: CH3-CH2-CHO

Option D: None of the above

Correct Answer: CH3-CH2-CHO ✔

Option A: Nylon 66

Option B: urotropine

Option C: Aniline formaldehyde plastic

Option D: Bakelite

Correct Answer: Bakelite ✔

Option A: formation of phenolic resins

Option B: formation of mirror

Option C: antiseptic inhalant

Option D: formation of throat lozenges

Correct Answer: formation of throat lozenges ✔

Option A: in silvery mirror

Option B: in making medicine urotropine

Option C: in making throat lozenges

Option D: in making acetic acid

Correct Answer: in making acetic acid ✔

Option A: alkyl groups are electron donating

Option B: steric hindrance

Option C: Both A and B

Option D: none

Correct Answer: Both A and B ✔

Option A: formaldehyde

Option B: acetaldehyde

Option C: benzaldehyde

Option D: trimethyl acetaldehyde

Correct Answer: acetaldehyde ✔

Option A: CH3-CHO

Option B: CH3-CH-CH3

Option C: CH3-COOH

Option D: CH3-CO-CH2-CH3

Correct Answer: CH3-CHO ✔

Option A: acetaldehyde

Option B: ethyl alcohol

Option C: methyl alcohol

Option D: acetone

Correct Answer: ethyl alcohol ✔

Option A: reaction with HCN

Option B: reaction with NaHSO3

Option C: reaction with 2 4 dinitrophenyl hydrazine

Option D: reaction with Fehling solution

Correct Answer: reaction with Fehling solution ✔

Option A: formaldehyde

Option B: accetaldehyde

Option C: benzaldehyde

Option D: acetone

Correct Answer: acetone ✔

Option A: acetaldehyde

Option B: ethyl alcohol

Option C: methyl alcohol

Option D: acetone

Correct Answer: ethyl alcohol ✔

Option A: reaction with HCN

Option B: reaction with NaHSO3

Option C: reaction with 2 4 dinitrophenyl hydrazine

Option D: reaction with Fehling solution

Correct Answer: reaction with Fehling solution ✔