Free MCQs & Online Quiz Practice for Exams

Q: Alcohols have Ka values in the range (ETEA 2016)

A) 10⁻⁸–10⁻¹⁰

B) 10⁻¹⁰–10⁻¹²

C) 10⁻¹²–10⁻²⁵

D) 10⁻¹⁶–10⁻¹⁸

Q: In automobiles ethylene glycol is used to prevent (ETEA 2016)

A) Freezing

B) Boiling

C) Drying

D) both a and b

Q: Which one is hydrazine? (ETEA 2016)

A) NH₂OH

B) R₂NH

C) C₅H₅NHNH₂

D) H₂NNH₂

Q: Ethanol reacts with K₂Cr₂O₇/H₂SO₄ to give (ETEA 2016)

A) CH₃CHO

B) CH₃CH₂OH

C) CH₃COOH

D) CH₃CH₂HSO₄

Q: Methanethiol & ethanethiol added to natural gas (ETEA 2016)

A) Easy combustion

B) Increase bp

C) Detect leakage

D) Both a & b

Q: IUPAC name of CH₃OCH₂CH₃? (ETEA 2017)

A) Methoxyethane

B) Ethyl ethyl ether

C) Methyl ethyl ether

D) Ethoxy methane

Q: Aqueous bromine gives white ppt with (ETEA 2017)

A) Ethanol

B) Phenol

C) Ethanal

D) Propanone

Q: Suitable catalyst for ROH + HCl → RCl (ETEA 2017)

A) AlCl₃

B) ZnCl₂

C) TiCl₄

D) FeCl₃

Q: 1,3-Dihydroxybenzene is (ETEA 2017)

A) Catechol

B) Resorcinol

C) Hydroquinone

D) Cresol

Q: Correct order of boiling point (ETEA 2017)

A) 1-Butanol < 2-Butanol < 2-Methyl-2-propanol

B) 2-Butanol < 1-Butanol < 2-Methyl-2-propanol

C) 2-Methyl-2-propanol < 1-Butanol < 2-Butanol

D) 2-Methyl-2-propanol < 2-Butanol < 1-Butanol

Q: Methane thiol & ethane thiol added to natural gas (ETEA 2018)

A) Easy combustion

B) Increase bp

C) Detect leakage

D) Both a & c

Q: Alcohol CH₃CH₂–C(CH₃)₂–OH oxidizes to (ETEA 2018)

A) Aldehyde

B) Ether

C) Ketone

D) Acid

Q: Reagent used to distinguish between primary, secondary & tertiary alcohols (ETEA 2019)

A) Baeyer's

B) Tollen’s

C) Lucas

D) Nessler’s

Q: Methyl alcohol oxidized with Na₂Cr₂O₇/H₂SO₄ gives (ETEA 2019)

A) CH₃COCH₃

B) CH₃CHO

C) HCOOH

D) CH₃COOH

Q: Tertiary alcohols are not oxidized because (ETEA 2019)

A) They contain more alkyl group

B) They have no α-hydrogen

C) No suitable oxidizing agent

D) None

Q: Phenol is known as (ETEA 2020)

A) Carpolic acid

B) Carbonylic acid

C) Carbolic acid

D) Carbolylic acid

Q: Williamson’s reaction synthesizes (ETEA 2020)

A) Alkane

B) Alkene

C) Ether

D) Ester

Q: Dehydration of alcohol at 140°C gives (ETEA 2020)

A) Alkene

B) Ether

C) Alkane

D) Both A & B

Q: Phenol more acidic than alcohol due to (ETEA 2020)

A) Delocalization of –ve charge on OH

B) Delocalization of +ve on carbon

C) Delocalization of –ve charge in ring

D) Delocalization of +ve charge on OH

Q: Oily layer forms immediately with Lucas reagent (ETEA 2020)

A) (CH₃)₂CHCl

B) (CH₃)₂CHOH

C) (CH₃)₃CCl

D) (CH₃)₃COH