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प्रश्न
Distinguish between:
C6H5-COCH3 and C6H5-CHO
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उत्तर
Acetophenone has methyl group attached to carbonyl carbon while benzaldehyde does not. Therefore, we can use iodoform test to distinguish between the two. Acetophenone will undergo iodoform test and give a yellow precipitate.

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संबंधित प्रश्न
Give a simple chemical test to distinguish between the following pair of compounds:
Ethanal and Propanal
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
Complete the synthesis by giving missing starting material, reagent or product.

Which of the following compounds gives a positive Tollen's test but negative Fehling's test?
Acetaldehyde cannot show?
The major products formed in the following reaction sequence A and B are:

Choose the reaction which is not possible:
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.
