Advertisements
Advertisements
प्रश्न
Which of the following compounds will give butanone on oxidation with alkaline \[\ce{KMnO4}\] solution?
पर्याय
Butan-1-ol
Butan-2-ol
Both of these
None of these
Advertisements
उत्तर
Butan-2-ol
Explanation:
\[\begin{array}{cc}
\ce{CH3CH2CHCH3 ->[allk][KMnO4] \underset{Butanone}{CH3CH2COCH3}}\\
|\phantom{......................}\\
\ce{\underset{Butan-2-ol}{OH}\phantom{....................}}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Distinguish between:
C6H5-COCH3 and C6H5-CHO
Distinguish between: CH3COOH and HCOOH
A and B are two functional isomers of compound C3H6O.On heating with NaOH and I2, isomer B forms yellow precipitate of iodoform whereas isomer A does not form any precipitate. Write the formulae of A and B.
Give a simple chemical test to distinguish between the following pair of compounds :
CH3CH2CHO and CH3CH2COCH3
Complete the synthesis by giving missing starting material, reagent or product.
Oxidation of ketones involves carbon-carbon bond cleavage. Name the products formed on oxidation of 2, 5-dimethylhexan-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
Acetaldehyde cannot show?
Fehilng's test is positive for
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.
- Identify (A), (B) and (C).
- Write the reaction of B with Tollen’s reagent.
- Write the equation for iodoform test for C.
- Write down the equation for aldol condensation reaction of B and C.
Write chemical test to distinguish between the following compounds:
Phenol and Benzoic acid
An organic compound neither reacts with neutral ferric chloride solution nor with Fehling solution. It however, reacts with Grignard reagent and gives positive iodoform test. The compound is:
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.
- Identify 'A', 'B' and 'C'.
- Out of 'B' and 'C', which will have higher boiling point? Give reason.
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:
