List of top Chemistry Questions on Aldehydes, Ketones and Carboxylic Acids

Compound $A, C_8H_{10}O$, is found to react with $NaOI$ (produced by reacting $Y$ with $NaOH$) and yields a yellow precipitate with characteristic smell. $A$ and $Y$ are respectively

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

$C_4H_10 O { ->[{K_2Cr_2O_7}][{H_2SO_4}] }C_4H_5O { ->[{I_2/NaOH}][{\text{Warm}}] }CHI_3$ Here, N is

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

The correct order of reactivity for the addition reaction of the following carbonyl compounds with ethylmagnesium iodide is

The final product of the given reaction is

Which of the following is a tricarboxylic acid?

Which of the following carboxylic acids is most reactive towards esterification?

What will be the products when benzaldehyde is treated with $ NaOD $ in $ D_2O $ ?

What will be the correct decreasing order of acid strength of the hydroxybenzoic acids? (Symbols and notations carry their usual meanings)

A compound $ C_{5}H_{10}O (A) $ forms a phenyl - hydrazone and gives negative Tollen's test and a positive Iodoform reaction. It also gives $ n $ -pentane on reduction. The compound $ (A) $ is

Which of the following is substitution reaction?

Compounds $ A $ and $ C $ in the following reaction are $ CH_3CHO {->[(i) CH_3MgBr][(ii)H_2O]} (A) {->[H_2SO_4, \Delta ]} (B) $ $ {->[{\text{Hydroboration oxidation}}]} (C) $

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

Conversion of esters to aldehydes can be accomplished by

Consider the reactions :- Identify $A, X, Y$ and $Z$

Aldehydes or ketones when treated with $\ce{C_6H_5 - NH - NH_2}$, the product formed is

What is the name of the following reaction? $ {PhCHO + (CH3CO)2O ->[Na(OAc)_2] PhCH=CHCO2H}$

Consider the following set of reactions : $ {CH3COOH ->[SOCl_2] A}$$ { ->[Benzene][Anhyd. AlCl_3] B}$$ { ->[HCN] C}$$ { ->[HOH] D}$ The structure of D would be

Aromatic aldehydes and formaldehyde undergo Cannizzaro reaction. Aromatic aldehydes are almost as reactive as formaldehyde.

Which of the following compounds will give positive iodoform test ?

Which of the following pairs of organic compounds give positive Tollens? test?

Bouveault-Blanc reduction reaction involves :

A compound 'A'with molecular formula \({C_5H_{10}O}\)gives a positive \({2,4-DNP}\) test but a negative Tollen's test. On treatment with sodium hypochlorite, it gives \({CHCl_3}\) and compound 'B'. Compound 'B' is

Amongst the following compounds, the one which would not form a white precipitate with ammonical silver nitrate solution is