Isomers & Reaction Mechanism Mini Q Bank - Aldehyde, Ketone and Carboxylic acid 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

Which of the following is the most reactive towards nucleophilic addition reaction?

1.		2.
3.		4.

Subtopic: Isomers & Reaction Mechanism |

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The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H₃O⁺ is:

1.		2.
3.		4.	None of these

Subtopic: Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |

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An alkene “A” on reaction with O₃ and Zn - H₂O gives propanone and ethanal in an equimolar ratio. The addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is:

1.		2.
3.		4.

Subtopic: Isomers & Reaction Mechanism |

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A compound A, when reacted with PCl₅ and then with ammonia, gave B. B, when treated with bromine and caustic potash, produced C. C on treatment with NaNO₂ and HCl at $0 °$ C and on boiling produced ortho-cresol. Compound A is:

1.	o-Toluic acid	2.	o-Chlorotoluene
3.	o-Bromotoluene	4.	m-Toluic acid

Subtopic: Isomers & Reaction Mechanism |

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What is product 'B' in the below mentioned reaction?

1.		2.
3.		4.

Subtopic: Isomers & Reaction Mechanism | Carboxylic Acids: Preparation & Properties |

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The formation of cyanohydrin from acetone is an example of:

1. Nucleophilic substitution.

2. Electrophilic substitution.

3. Electrophilic addition.

4. Nucleophilic addition.

Subtopic: Isomers & Reaction Mechanism |

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The below structure is an example of :
Cyanohydrin - Wikipedia

1.	Cyanohydrin	2.	Hemiacetal
3.	Acetal	4.	Cyanoalcohol

Subtopic: Isomers & Reaction Mechanism |

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The nucleophilic addition reaction will be most favored among the given compounds is:

1. $C H_{3} C H_{2} C H_{2} C O C H_{3}$

2. $(C H_{3})_{2} C = O$

3. $C H_{3} C H_{2} C H O$

4. $C H_{3} C H O$

Subtopic: Isomers & Reaction Mechanism |

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CH₃CHO and C₆H₅CH₂CHO can be distinguished by:

1. Benedict test

2. Iodoform test

3. Tollen's reagent test

4. Fehling solution test

Subtopic: Isomers & Reaction Mechanism |

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is converted to by

	(i)	(ii)	(iii)
1.	CH₃ – MgI, H₃O⁺	H₂SO₄, ∆	HBr, R₂O₂
2.	CH₃ – MgI, H₃O⁺	H₂SO₄, ∆	HBr
3.	CH₃ – MgI, H₃O⁺	HBr
4.	HBr, R₂O₂	CH₃ – MgI, H₃O⁺

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