$\overset{{HNO}_{2}}{\to}$ (A) + + CH₂ = CH-CH₂-CH₂-OH

A will be:

(a) $\begin{matrix} {Ch}_{2} = CH & - & \underset{OH}{\underset{|}{CH}} & - & {CH}_{3} \end{matrix}$

(b)

(c)

(d)

Subtopic: Amines - Preparation & Properties |

72%

Level 2: 60%+

1

2

3

4

Hints

Q78:

Identify product D in the following reaction sequence:

1. $C H_{3}$
$|$
$C H_{3} C C H_{2} C \equiv N$
$|$
$C H_{3}$

2. $C H_{3}$
$|$
$C H_{3} C C H_{2} C H_{2} N {(C H_{3})}_{2}$
$|$
$C H_{3}$

3. $C H_{3} N {(C H_{3})}_{2}$
$| |$
$C H_{3} C C H_{2} C H N {(C H_{3})}_{2}$
$|$
$C H_{3}$

4. $C H_{3}$
$|$
$C H_{3} C C H_{2} C H N {(C H_{3})}_{2}$
$| |$
$C H_{3} O H$

Subtopic: Amines - Preparation & Properties |

59%

Level 3: 35%-60%

1

2

3

4

Hints

Q79:

Which amine yields N-nitroso amine after treatment with nitrous acid (NaNO₂, HCl) ?

1.		2.
3.		4.

Subtopic: Mechanism |

59%

Level 3: 35%-60%

1

2

3

4

Hints

Q80:

The product formed in the below mentioned reaction is:

1.		2.
3.		4.

Subtopic: Amines - Preparation & Properties |

79%

Level 2: 60%+

1

2

3

4

Hints

Links

Q81:

Which of the following represents the total number of butene isomers obtained on treating n-butylamine with nitrous acid (generated from NaNO₂ and HCl)?

1. Two (2)

2. Three (3)

3. Four (4)

4. Five (5)

Subtopic: Mechanism |

61%

Level 2: 60%+

1

2

3

4

Hints

Q82:

$\to_{H_{2} O}^{{Br}_{2}}$ (A) $\to_{(ii) H_{3} {PO}_{2}}^{(i) {NaNO}_{2} / HCl}$ (B), Product (B) in this reaction is:

1.

2.

3.

4.

Subtopic: Amines - Preparation & Properties |

84%

Level 1: 80%+

1

2

3

4

Hints

Q83:

Product (B) of this reaction is:-
1.

2.

3.

4.

Subtopic: Diazonium Salts: Preparation, Properties & Uses |

75%

Level 2: 60%+

1

2

3

4

Hints

Q84:

This reaction is example of ?
(1) Intermolecular C-N coupling

(2) Intramolecular C-N coupling

(3) Intermolecular N-N coupling

(4) Intramolecular N-N coupling

Subtopic: Mechanism |

72%

Level 2: 60%+

1

2

3

4

Hints

Q85:

Which of the following reactions can be used to prepare acetophenone ?

(a) $C_{6} H_{6} + {CH}_{3} COCl \to_{}^{1 . {AlCl}_{3}}$

(b) ${(C_{6} H_{5} COO)}_{2} Ca + {({CH}_{3} COO)}_{2} Ca \overset{heat}{\to}$

(c) $C_{6} H_{5} CN \to_{2 H_{3} O^{+}}^{1 . {CH}_{3} MgI}$

(d) All of these

Subtopic: Aldehydes & Ketones: Preparation & Properties |

69%

Level 2: 60%+

1

2

3

4

Please attempt this question first.

Hints

Q86:

Product (B) of this reaction is:

1.

2.

3.

4. None of the above

Subtopic: Amines - Preparation & Properties |

82%

Level 1: 80%+

1

2

3

4

Hints

→HNO2(A) + + CH2 = CH-CH2-CH2-OH A will be: (a) Ch2=CH-CH|OH-CH3 (b) (c) (d)

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

$\overset{{HNO}_{2}}{\to}$ (A) + + CH₂ = CH-CH₂-CH₂-OH

A will be:

(a) $\begin{matrix} {Ch}_{2} = CH & - & \underset{OH}{\underset{|}{CH}} & - & {CH}_{3} \end{matrix}$

(b)

(c)

(d)