Which of the following molecules is aromatic?

1. 2.

3. 4.

Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |

80%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q89:

A reaction scheme is given below:

Determine the number of \(\pi-\)bonds in product (B):
1. 5
2. 7
3. 9
4. 1

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

80%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q90:

Which of the following are aromatic compounds?

1. Only (i) and (ii)
2. Only (ii) and (iii)
3. Only (i) and (iii)
4. All are aromatic

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

82%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q92:

What product (P) is formed in the given reaction?

1.		2.
3.		4.

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

74%

Level 2: 60%+

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q93:

What is the major product formed in the following reaction?

1.		2.
3.		4.

Subtopic: Aromatic Hydrocarbons - Reactions & Mechanism |

99%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Q94:

The number of structural isomeric products formed by monochlorination of 2-methylbutane in presence of sunlight is :

1. 4
2. 1
3. 2
4. 8

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

97%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Q96:

Find out the final product (C):

1. Propan-1-ol
2. Propan-2-ol
3. Propene
4. Propane

Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |

95%

Level 1: 80%+

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q97:

The total number of different alkanes formed when the following mixture is subjected to electrolysis: \(\mathrm{CH}_3 \mathrm{COONa} \text { (aq.) }\)and \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{COONa} \text { (aq.) }\)[do not consider disproportionation reaction]

1. 3
2. 7
3. 2
4. 9