MCQ (Single Correct Answer)
Identify the reagent 'R' used in the following reaction.
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Identify the products of following reaction:
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Which of the following reagents is used in Gatterman-Koch formylation of arene?
Which among the following compounds is hemiacetal?
Which among the following colours is obtained in Schiff test of aldehydes?
Identify ketone from the following.
Which of the following on reaction with ammoniacal silver nitrate forms silver precipitate?
Identify the product 'B' in following reaction.
Ethyl phenyl ketone $$\mathrm{\buildrel {{H_2}N - N{H_2}} \over
\longrightarrow}$$ A $$\mathrm{\mathr...
What type of reaction is the formation of aldol from aldehyde?
Which of the following reagents is used in the reaction shown below?
Benzoyl chloride $$\stackrel{?}{\longrightarrow}$$ Benzaldehyde
Identify the name of following reaction.
Toluene + chromyl chloride $$\stackrel{\mathrm{CS}_2}{\longrightarrow}$$ complex $$\stackrel{\mathrm{H}_3 \ma...
Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?
Identify the reagent used in following conversion.
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Which from following reactions converts carbonyl group of aldehydes and ketones to methylene group on treatment with zinc amalgam and concentrated $$\...
Which among the following compounds has highest boiling point?
Identify the product formed in the following reaction,
$$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CHO} \mathrm{\mathrel{\mathop{\ke...
When alcoholic solution of an organic compound is treated with few drops of Schiff's reagent, pink colour appears. This confirms the presence of group...
Which of the following compounds on reaction with Grignard reagent followed by hydrolysis forms secondary alcohol?
The reagent used in Gatterman-Koch formylation of arene is
Which of the following compounds on reaction with ammonical silver nitrate solution forms precipitate of silver?