Aldehyde and Ketone · Chemistry · COMEDK

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MCQ (Single Correct Answer)

COMEDK 2024 Evening Shift
Identify the end-product [D] formed when solution salicylate undergoes the following series of reactions ...
COMEDK 2024 Evening Shift
Given are the names of 4 compounds. Two of these compounds will not undergo Cannizzaro's reaction. Identify the two. A. 2-Chlorobutanal B. 2,2-Dimethy...
COMEDK 2024 Evening Shift
What is/are the product/s formed when Benzaldehyde and Ethanal react in presence of dil. $$\mathrm{NaOH}$$ followed by heating the intermediate produc...
COMEDK 2024 Evening Shift
Which one of the following is the correct order of reagents to be used to convent [A] to [X] ? $$ \text { Reagents: } \mathrm{PCC}, \mathrm{PCl}_5, \...
COMEDK 2024 Morning Shift
$$\text { Identify }[\mathrm{B}] \text { and }[\mathrm{C}] \text { formed in the reactions given below. }$$ ...
COMEDK 2024 Morning Shift
Which one of the following statements is incorrect regarding acetal and ketal formation when Propanal and Propanone are separately reacted with Ethano...
COMEDK 2024 Morning Shift
A Carbonyl compound $$\mathrm{X}$$ when reacted with Methyl magnesium bromide followed by hydrolysis gave product $$\mathrm{Y}$$. When $$\mathrm{Y}$$ ...
COMEDK 2024 Morning Shift
Identify the Reagents I and II to be used in the course of the given reactions. ...
COMEDK 2023 Morning Shift
Product of the following reaction is ...
COMEDK 2023 Morning Shift
Acetophenone when reacted with a base, $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}$$, yields a stable compound which has the structure
COMEDK 2023 Morning Shift
Which of the following is incorrect?
COMEDK 2023 Evening Shift
Which one of the following compounds would not undergo Aldol condensation?
COMEDK 2023 Evening Shift
From among the following, identify the compound which forms two moles of a ketone on ozonolysis. [A] 2,3-Dimethylbutane. [B] 3-Methyl-1-pentene. [C] 2...
COMEDK 2023 Evening Shift
Identify the final product formed during the course of the given reactions. Pentan-2-one $$\xrightarrow{\mathrm{NaCN} / \mathrm{HCl}}[\mathrm{X}]$$ $$...
COMEDK 2023 Evening Shift
What would be the products obtained when a mixture of p-Methoxy benzaldehyde and Methanal are heated with $$50 \%$$ concentrated Caustic soda solution...
COMEDK 2022
X and Y in the following reactions are ...
COMEDK 2022
Find the product formed for the given reaction. $$\mathrm{{C_6}{H_5}CHO + {H_3}C - C{H_2} - CHO\buildrel {Dil.\,NaOH/\Delta } \over \longrightarrow}$...
COMEDK 2021
Find the final product for the reaction ...
COMEDK 2021
Reaction find the product B....
COMEDK 2020
The product formed when hydroxylamine condenses with a carbonyl compound is called
COMEDK 2020
The reagent used in Clemmenson's reduction is
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