Recommended PYQs (STRICTLY NCERT Based) Aldehydes, Ketones and Carboxylic Acids Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Match the reactions listed in List I with the appropriate reagents or conditions listed in List II:

List I (Reaction)	List II (Reagents/ Condition)
A.	I.
B.	II. $\mathrm{CrO}_3$
C.	III. $\begin{aligned} & \mathrm{KMnO}_4 \\ & \mathrm{KOH}, \Delta \end{aligned}$
D.	IV. $\mathrm{(i) \mathrm{O}_3\\ (ii) \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}}$

Choose the correct answer from the options given below :
1.

A-III, B-I, C-II, D-IV

$\text { A-III, B-I, C-II, D-IV }$
2.

A-IV, B-I, C-II, D-III

$\text { A-IV, B-I, C-II, D-III }$
3.

A-I, B-IV, C-II, D-III

$\text { A-I, B-IV, C-II, D-III }$
4.

A-IV,B-I, C-III, D-II

$\text { A-IV,B-I, C-III, D-II }$

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |

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Q2:

Which solution is part of Fehling solution 'A' used in tests for reducing sugars and aldehydes?

1.	Alkaline copper sulphate
2.	Alkaline solution of sodium potassium tartrate (Rochelle's salt)
3.	Aqueous sodium citrate
4.	Aqueous copper sulphate

Subtopic: Aldehydes & Ketones: Preparation & Properties |

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Q3:

Given below are two statements:

Statement I:	Benzoic acid produces effervescence on treatment with aq. $\mathrm{NaHCO}_3$
Statement II:	The effervescence is due to the release of hydrogen gas.

In the light of the above statements, choose the not appropriate answer from the options give below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.

Subtopic: Carboxylic Acids: Preparation & Properties |

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Q4:

The product that cannot be formed in the following reaction is:

1.
2.
3.
4.

Subtopic: Name Reaction |

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Q5:

Match the reagents in List-I with the corresponding reactions in List-II:

	List-I (Reagent)		List-II (Name of the reaction)
A.	$\mathrm{{H}_2, {Pd}-{Ba}S {O}_4}$	I.	Gattermann-Koch reaction
B.	$\mathrm{{(i) \; {CrO}_2 {Cl}_2, {CS}_2\\ (ii) {H}_2 {C}}}$	II.	Reimer-Tiemann reaction
C.	$\mathrm{{CO, HCl, Anhyd.~\\ {AlCl}_3 / {CuCl}}}$	III.	Etard reaction
D.	$\mathrm{{CHCl}_3, {NaOH}}$	IV.	Rosenmund reduction

Choose the correct answer from the options given below:

1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV

Subtopic: Aldehydes & Ketones: Preparation & Properties |

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Q6:

Identify [X] and [Y] in the given reaction:

1.
2.
3.
4.

Subtopic: Aldehydes & Ketones: Preparation & Properties |

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Q7:

Select the incorrect reaction among the following:

1.	$\mathrm{CH}_3 \mathrm{COCl} \xrightarrow[\Delta]{\mathrm{H}_2 \mathrm{O}} \mathrm{CH}_3 \mathrm{COOH}$
2.
3.	$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{\oplus}]{\text { (i) } \mathrm{KMnO}_{4}/\mathrm{OH^{-} }} \mathrm{CH}_3 \mathrm{COOH}$
4.	$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH} \xrightarrow{\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}$

Subtopic: Acid Derivatives - Preparation, Properties & Uses |

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Q8:

Weight (g) of two moles of the organic compound, which is obtained by heating sodium ethanoate with sodium hydroxide in the presence of calcium oxide is:

1. 18
2. 16
3. 32
4. 30

Subtopic: Carboxylic Acids: Preparation & Properties |

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Q9:

Given is a reaction for your reference:

The final product [C] is:

1.		2.
3.		4.

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |

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Q10:

Identify the product (A) in the following reaction:

1.
2.
3.
4.

Subtopic: Name Reaction |

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