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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Oxidation of ketones involves carbon-carbon bond cleavage. Name the products formed on oxidation of 2, 5-dimethylhexan-3-one.

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प्रश्न

Oxidation of ketones involves carbon-carbon bond cleavage. Name the products formed on oxidation of 2, 5-dimethylhexan-3-one.

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उत्तर

\[\begin{array}{cc}
\phantom{}\ce{CH3}\phantom{..}\ce{O}\phantom{..........}\ce{CH3}\phantom{..................}\ce{CH3}\phantom{...................}\ce{CH3}\phantom{.........................}\ce{O}\phantom{........................................................................}\\
\phantom{.}|\phantom{.....}||\phantom{...........}|\phantom{.....................}|\phantom{......................}|\phantom{.............................}||\phantom{........................................................................}\\
\phantom{}\ce{\underset{2, 5-Dimethylhexan-3-one}{CH3 - CH - C - CH2 - CH - CH3} ->[{[O]}] \underset{2-Methylpropanoic acid}{CH3 - CH - COOH} + \underset{3-Methylpropanoic acid}{CH3 - CH - CH2} - COOH + \underset{Propan-2-one}{CH3 - C - CH3} -> \underset{Ethanoic acid}{CH3COOH} + \underset{Methanoic acid}{HCOOH}\phantom{...........................................}}
\end{array}\]

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अध्याय 12: Aldehydes, Ketones and Carboxylic Acids - Multiple Choice Questions (Type - I) [पृष्ठ १७३]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 12 Aldehydes, Ketones and Carboxylic Acids
Multiple Choice Questions (Type - I) | Q 26 | पृष्ठ १७३

संबंधित प्रश्न

Distinguish between: CH3COOH and HCOOH


Give a simple chemical test to distinguish between the following pair of compounds :

CH3CH2CHO and CH3CH2COCH3


Give a simple chemical test to distinguish between the following pair of compounds:

Propanal and Propanone


Out of CH3CH2 – CO – CH2 – CH3 and CH3CH2 – CH2 – CO – CH3, which gives iodoform test?


How will you convert ethanal into the following compound?

But-2-enoic acid


Give a simple chemical test to distinguish between the following pair of compounds:

Acetophenone and Benzophenone


Give a simple chemical test to distinguish between the following pair of compounds:

Pentan-2-one and Pentan-3-one


Which of the following compounds gives a positive Tollen's test but negative Fehling's test?


Solvent used for dewaxing of petroleum products are


Acetone and acetaldehyde are differentiated by


Which of the following tests/reactions is given by aldehydes as well as ketones?


A hydrocarbon (A) with molecular formula C5H10 on ozonolysis gives two products (B) and (C). Both (B) and (C) give a yellow precipitate when heated with iodine in presence of NaOH while only (B) give a silver mirror on reaction with Tollen’s reagent.

  1. Identify (A), (B) and (C).
  2. Write the reaction of B with Tollen’s reagent.
  3. Write the equation for iodoform test for C.
  4. Write down the equation for aldol condensation reaction of B and C.

Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?


In Tollen's test for aldehyde, the overall number of electrons(s) transferred to the Tollen's reagent formula \[\ce{[Ag(NH3)2]+}\] per aldehyde group to form silver mirror is ______. (Round off to the nearest integer)


The reagent that can be used to distinguish acetophenone and benzophenone is ______.


An organic compound 'A' with the molecular formula C4H8O2 undergoes acid hydrolysis to form two compounds 'B' and 'C'. Oxidation of 'C' with acidified potassium permanganate also produces 'B'. Sodium salt of 'B' on heating with soda lime gives methane.

  1. Identify 'A', 'B' and 'C'.
  2. Out of 'B' and 'C', which will have higher boiling point? Give reason.

Benzaldehyde is obtained from Rosenmund’s reduction of:


Match List-I with List-II:

  List-I
(Reaction)
  List-II
(Reagents/Condition)
A. I.
B. II. CrO3
C. III. KMnO4/KOH, Δ
D. IV. (i) O3 (ii) Zn-H2O

Choose the correct answer from the options given below:


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