$\to_{(1)}^{HCl} \to_{(2)}^{B r_{2} / F e} \to_{(3)}^{H^{+}}$

The major product is

1.

2.

3.

4.

Subtopic: Acid Derivatives - Preparation, Properties & Uses |

1

2

3

4

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Q65:

CH₂=CH-CHO+HCN $\to$ A(Major),

the compound 'A' is

1. CH₂=CH-CH-CH(OH)(CN)

2. CH₃-CH(CN)-CHO

3. CH₂(CN)-CH₂-CHO

4. CH₃-C(OH)(CN)-CH₃

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

1

2

3

4

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Q66:

The slowest step of Cannizarro's reaction is

1. Attack of nucleophilic

2. Hydride shift

3. Formation of anion

4. Transfer of proton

Subtopic: Name Reaction |

71%

1

2

3

4

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Q67:

+Br₂ $\to_{∆}^{{CCl}_{4}}$ ?

1.

2.

3.

4.

Subtopic: Aldehydes & Ketones: Preparation & Properties |

61%

1

2

3

4

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Q68:

$\to_{H_{3} O +}^{{CH}_{3} MgBr (excess)}$ Product,

Product is:-

1.

2.

3.

4.

Subtopic: Aldehydes & Ketones: Preparation & Properties |

60%

1

2

3

4

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Q69:

The structure of the product is:

1.		2.
3.		4.

Subtopic: Acid Derivatives - Preparation, Properties & Uses |

75%

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1

2

3

4

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Q70:

$\overset{HCN}{\to}$ A $\to_{(e x c e s s)}^{K C N}$ B;B is

1.

2.

3.

4.

Subtopic: Aldehydes & Ketones: Preparation & Properties |

73%

From NCERT

1

2

3

4

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Q71:

Which shows decarboxylation by heating

1.

2.

3.

4.

Subtopic: Carboxylic Acids: Preparation & Properties |

55%

1

2

3

4

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Q72:

The major product is
$\xrightarrow{LiAlH_4}$

1.		2.
3.		4.

Subtopic: Isomers & Reaction Mechanism |

58%

1

2

3

4

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Q73:

Fehling solution gives red precipitated with

(a) Aromatic aldehyde

(b) Aliphatic aldehyde

(c) Ketone

(d) terminal $α$ -Hydroxy ketone

_{1. b,d}

_{2. a,b}

_{3. a,d}

_{4. b,c}

Subtopic: Aldehydes & Ketones: Preparation & Properties |

67%

From NCERT

1

2

3

4

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$\to_{(1)}^{HCl} \to_{(2)}^{B r_{2} / F e} \to_{(3)}^{H^{+}}$

The major product is

1.

2.

3.

4.

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→1HCl→2Br2/Fe→3H+ The major product is 1. 2. 3. 4.

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$\to_{(1)}^{HCl} \to_{(2)}^{B r_{2} / F e} \to_{(3)}^{H^{+}}$

The major product is

1.

2.

3.

4.