List of top Chemistry Questions on Aldehydes, Ketones and Carboxylic Acids asked in MHT CET

0.0210 M solution of \( \mathrm{N_2O_5} \) is allowed to decompose at \( 43^\circ\mathrm{C} \). How long will it take to reduce to 0.0150 M? (Given \( k = 6.0 \times 10^{-4}\ \mathrm{s^{-1}} \))
Which of following reagents is used to avoid further oxidation of aldehydes?
What is the product obtained when ethylamine is heated with large excess of ethyl iodide?
Identify reducing agent in the following reaction: \[ \text{CH}_4(g) + \text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(l) \]
Identify the product obtained when 3, 5 - dinitrobenzoic acid is heated with thionyl chloride.
Identify B in the following reaction
\[ R{-}C \equiv N \xrightarrow[\text{dil. HCl}]{SnCl_2} A \xrightarrow{H_3O^+} B + NH_4Cl \]
Which of the following is a Wolff–Kishner reduction?
Which among the following reactions explains the acidic property of carboxylic acid?
Sodium salt of $\alpha$-halogen carboxylic acid when heated with sodium nitrite and followed by hydrolysis forms
Which among the following formulae represents glycollic acid?
Which among the following substituent groups decreases the acidic strength of aromatic carboxylic acid?
Which of the following is Rosenmund reduction?
Which among the following compounds is treated with benzonitrile to obtain benzophenone in dry ether and then acid hydrolysis?
Identify product ‘A’ in the following reaction.
\[ \text{R - C} \equiv \text{N} \xrightarrow{\text{DIBAL-H}} \xrightarrow{\text{H}_3\text{O}^+} A \]
Which of the following compounds is obtained by dry distillation of calcium propionate?
Which of the following acids does NOT undergo Hell–Volhard–Zelinsky reaction?
Which of the following is obtained by hydrogenation of benzoyl chloride in presence of Pd on BaSO\(_4\)?
Which of the following is obtained by catalytic oxidation of ammonia?
Which among the following compounds is obtained when calcium formate is dry distilled alone?
The number of pi-bonds present in benzoic acid molecule are
Which among the following compounds is obtained when ethane nitrile is acid hydrolysed?
Which of the following is a tricarboxylic acid?
Which of the following carboxylic acids is most reactive towards esterification?
Aldehydes or ketones when treated with $\ce{C_6H_5 - NH - NH_2}$, the product formed is
Which of the following compounds will give positive iodoform test ?