Aldehyde and Ketone · Chemistry · COMEDK
MCQ (Single Correct Answer)
Two statements, one Assertion (A) and the other Reason (R) are given. Choose the correct option.
Assertion: Compound $[\mathrm{X}]$ reacts with Hydrazine in presence of $\mathrm{KOH} /$ Glycol to form the product $[\mathrm{Y}]$.
Reason: Reduction reaction occurs and Carbonyl group is reduced to Methylene group.
Identify $[\mathrm{X}]$, the final product formed when 2 moles of Ethanal undergoes the following series of reactions with reagents [(i) to (iv)]
Identify the end-product [D] formed when solution salicylate undergoes the following series of reactions
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-Dimethylpropanal
C. Benzaldehyde
D. 2-Phenyl ethanol
What is/are the product/s formed when Benzaldehyde and Ethanal react in presence of dil. $$\mathrm{NaOH}$$ followed by heating the intermediate product formed?
Which one of the following is the correct order of reagents to be used to convent [A] to [X] ?
$$ \text { Reagents: } \mathrm{PCC}, \mathrm{PCl}_5, \mathrm{LiAlH}_4, \frac{\mathrm{KCN}}{\mathrm{H}_3 \mathrm{O}^{+}} $$
Predict the final major product 'S' of the following reaction
Which of the following compounds undergo Aldol condensation followed by dehydration to give 3-phenylprop-2-en-1-al?
$$\text { Identify }[\mathrm{B}] \text { and }[\mathrm{C}] \text { formed in the reactions given below. }$$
Which one of the following statements is incorrect regarding acetal and ketal formation when Propanal and Propanone are separately reacted with Ethanol in presence of anhydrous $$\mathrm{HCl}$$ gas.
A Carbonyl compound $$\mathrm{X}$$ when reacted with Methyl magnesium bromide followed by hydrolysis gave product $$\mathrm{Y}$$. When $$\mathrm{Y}$$ is heated with $$\mathrm{Cu}$$ at $$573 \mathrm{~K}$$, it gave $$\mathrm{Z}$$ (2- Methylbut-2-ene) as one of the products. Identify $$\mathrm{X}$$.
Identify the Reagents I and II to be used in the course of the given reactions.
Product of the following reaction is
Acetophenone when reacted with a base, $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}$$, yields a stable compound which has the structure
Which of the following is incorrect?
Which one of the following compounds would not undergo Aldol condensation?
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] 2,3-Dimethyl-2-butene.
[D] 2-Methyl-2-pentane.
Identify the final product formed during the course of the given reactions.
Pentan-2-one $$\xrightarrow{\mathrm{NaCN} / \mathrm{HCl}}[\mathrm{X}]$$
$$[\mathrm{X}] \xrightarrow[95 \% \mathrm{H}_3 \mathrm{PO}_4]{\Delta \text { with }}[Y]$$
What would be the products obtained when a mixture of p-Methoxy benzaldehyde and Methanal are heated with $$50 \%$$ concentrated Caustic soda solution?
X and Y in the following reactions are
Find the product formed for the given reaction.
$$\mathrm{{C_6}{H_5}CHO + {H_3}C - C{H_2} - CHO\buildrel {Dil.\,NaOH/\Delta } \over \longrightarrow}$$
Find the final product for the reaction
Reaction
find the product B.
The product formed when hydroxylamine condenses with a carbonyl compound is called
The reagent used in Clemmenson's reduction is