NEET Chemistry MCQ: NCERT Alcohol Oxidation | NEET.Guide Questions

An unknown alcohol reacts with Lucas reagent to give turbidity within 5 minutes. Upon oxidation with Jones reagent, it yields a ketone. The alcohol could be:

A

1-pentanol

B

2-methyl-2-butanol

C

2-pentanol

D

2,2-dimethyl-1-propanol

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Analyzing

🎯Difficulty :Hard

⚡ Time Required :2 mins

🔄Ncert Concepts :Alcohols, Lucas Test, Oxidation, Jones Reagent

Related Questions

Glycerol catches fire on mixing with:

A

${\rm{KMn}}{{\rm{O}}_4}$

B

${{\rm{K}}_2}{\rm{C}}{{\rm{r}}_2}{{\rm{O}}_7}$

C

${\rm{HN}}{{\rm{O}}_3}$

D

None of these

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Hard

⚡ Time Required :1 mins

🔄Ncert Concepts :Redox Reactions, Oxidizing Agents, Glycerol Chemistry

Most viscous among the following is:

A

Propan-1-ol

B

Propan-2-ol

C

Propane-1, 2-diol

D

Propane-1,2,3-triol

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :viscosity, intermolecular forces, hydrogen bonding

Ethyl alcohol is industrially prepared from the ethylene by:

A

Permanganate oxidation

B

Catalytic reduction

C

Absorbing in sulphuric acid followed by hydrolysis

D

Fermentation

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Organic Chemistry, Industrial preparation of alcohols, Reaction mechanisms

Which of the following alcohols will react most readily with Lucas reagent?

A

Butan-1-ol

B

Butan-2-ol

C

2-methylpropan-1-ol

D

2-methylpropan-2-ol

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :Alcohols, Lucas reagent, SN1 reaction

Alcohols cannot be prepared from

A

${{\rm{C}}_2}{{\rm{H}}_5}{\rm{Br}} + {\rm{aq}}.{\rm{KOH}} o$

B

${\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2}{\rm{C}} = {\rm{O\;\;}}\mathop o \limits^{{\rm{\;LiAl}}{{\rm{H}}_{4{\rm{\;}}}}{\rm{\;}}}$

C

${\rm{C}}{{\rm{H}}_3} - \mathop {\rm{C}}\limits^{\mathop {||}\limits^{\rm{O}} }  - {\rm{OC}}{{\rm{H}}_3}{\rm{\;}}\mathop  o \limits^{{\rm{\;Na}}/{\rm{EtOH\;\;}}}$

D

${\rm{C}}{{\rm{H}}_3}{\rm{C}}{{\rm{H}}_2}{\rm{Cl\;}}\mathop o \limits^{{\rm{\;\;}}{{\rm{H}}_2}{\rm{O\;\;}}}$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :Reduction, Ketone, Alcohol Synthesis

The explosive nitroglycerine is:

A

A soap

B

A salt

C

An ester

D

A complex compound

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :organic chemistry, functional groups, esters

When phenyl magnesium bromide reacts with $t$ -butanol, the product would be

A

Benzene

B

Phenol

C

$t$ -butyl benzene

D

$t$ -butyl phenyl ether

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Application

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Grignard reagent, acid-base reaction, protonation

Sodium ethoxide is obtained by the reaction of ethyl alcohol with:

A

${\rm{NaOH}}$

B

${\rm{Na}}$

C

${\rm{NaCl}}$

D

${\rm{NaHC}}{{\rm{O}}_3}$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Understanding

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Reaction of alcohols with metals, formation of alkoxides, basic organic chemistry

Which of the following is used as antiseptic?

A

${{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}}$

B

Iodoform

C

Both (1) and (2)

D

None of these

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Easy

⚡ Time Required :1 mins

🔄Ncert Concepts :antiseptics, ethanol, iodoform

Alcohol is sometimes used in:

A

Baking powder

B

Paints

C

Thermometers

D

Weighing

Question Tags

📚 Subject:Chemistry

📑 Chapter:Alcohols, Phenols And Ethers

🎯Topic:Alcohols

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :Everyday uses of alcohol, Properties of alcohol

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