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← Bihar Board Class 12 PYQ
Aldehydes, Ketones and Carboxylic Acids
Bihar Board Class 12 · Chemistry · 42 past questions
Topic
Named reactions
2
Preparation and reactions of aldehydes and ketones
2
Aldol condensation and Cannizzaro reaction
1
Chemical tests and distinguishing compounds
1
Nomenclature and structure
1
Carboxylic acids and derivatives
0
Reactivity and general questions
0
Level
Easy
7
Moderate
0
Year
2026
4
2025
6
2024
6
2023
4
2022
7
2021
5
2019
1
2018
3
2017
3
7 of 42 ·
show all
Q12
2024 Set D
2022 Set E
By which of the following can formic acid and formaldehyde be distinguished ?
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Q23
2022 Set E
When acetylene is passed through dil. $H_2SO_4$ in the presence of $HgSO_4$, the compound formed is
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Q24
2022 Set E
The reaction, $R-CO-Cl + H_2 \xrightarrow{Pd/BaSO_4} RCHO + HCl$ is called
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Q25
2022 Set E
Which of the following does not give Aldol condensation ?
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Q26
2022 Set E
When formaldehyde reacts with $NH_3$, then which of the following compounds is formed ?
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Q27
2022 Set E
Which of the following is the functional group of an ester ?
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Q28
2022 Set E
The reaction, RCOOAg + Br$_2$ $\xrightarrow{CCl_4}$ RBr + AgBr + CO$_2$ is called
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