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The correct statement regarding 3-ethyl-3-hexanol is
- a)It changes colour of CrO3/H2SO4
- b)It is oxidised on heating with copper metal, producing ketone
- c)It gives yellow precipitate with NaOH/I2
- d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to r
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The correct statement regarding 3-ethyl-3-hexanol isa)It changes colou...
- 3-ethyl-3-hexanol is a tertiary alcohol. This characteristic influences its chemical behaviour:
- It does not oxidise easily. Therefore, it does not change the colour of CrO3/H2SO4.
- It does not produce a yellow precipitate with NaOH/I2, as this is a characteristic reaction of methyl ketones (Iodoform test).
- When heated with copper, it generally does not produce a ketone, as tertiary alcohols are resistant to oxidation.
- It changes the colour of cerric nitrate from yellow to red, which is a typical reaction for detecting alcohols in general, including tertiary alcohols.
Most Upvoted Answer
The correct statement regarding 3-ethyl-3-hexanol isa)It changes colou...
The correct statement regarding 3-ethyl-3-hexanol is that it changes the color of ceric nitrate [Ce(NO3)4] from yellow to red.
Explanation:
Ceric nitrate [Ce(NO3)4] is a powerful oxidizing agent that can oxidize alcohols to aldehydes, ketones and carboxylic acids. The reaction involves the transfer of electrons from the alcohol to the cerium ion, which gets reduced from Ce(IV) to Ce(III). The color change of the ceric nitrate from yellow to red is due to the reduction of the Ce(IV) to Ce(III), which is a characteristic of the cerium ion.
In the case of 3-ethyl-3-hexanol, the hydroxyl group (-OH) attached to the tertiary carbon atom is relatively far away from the carbon-carbon double bond, making it difficult for the ceric ion to oxidize it to a ketone or aldehyde. However, the presence of the ethyl group (-CH2CH3) adjacent to the hydroxyl group makes it more susceptible to oxidation by the ceric ion.
Therefore, when 3-ethyl-3-hexanol is treated with ceric nitrate, it undergoes oxidation to form a product that reduces the ceric ion, causing the color change from yellow to red. This characteristic reaction of 3-ethyl-3-hexanol is used as a test to identify the presence of tertiary alcohols.
Explanation:
Ceric nitrate [Ce(NO3)4] is a powerful oxidizing agent that can oxidize alcohols to aldehydes, ketones and carboxylic acids. The reaction involves the transfer of electrons from the alcohol to the cerium ion, which gets reduced from Ce(IV) to Ce(III). The color change of the ceric nitrate from yellow to red is due to the reduction of the Ce(IV) to Ce(III), which is a characteristic of the cerium ion.
In the case of 3-ethyl-3-hexanol, the hydroxyl group (-OH) attached to the tertiary carbon atom is relatively far away from the carbon-carbon double bond, making it difficult for the ceric ion to oxidize it to a ketone or aldehyde. However, the presence of the ethyl group (-CH2CH3) adjacent to the hydroxyl group makes it more susceptible to oxidation by the ceric ion.
Therefore, when 3-ethyl-3-hexanol is treated with ceric nitrate, it undergoes oxidation to form a product that reduces the ceric ion, causing the color change from yellow to red. This characteristic reaction of 3-ethyl-3-hexanol is used as a test to identify the presence of tertiary alcohols.
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The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer?.
The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The correct statement regarding 3-ethyl-3-hexanol isa)It changes colour of CrO3/H2SO4b)It is oxidised on heating with copper metal, producing ketonec)It gives yellow precipitate with NaOH/I2d)It changes colour of cerric nitrate [Ce(NO3)4] from yellow to rCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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