HSC Science इयत्ता ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

How does Huckel rule help to decide the aromatic character of a compound?

Suggest the route for the preparation of the following from benzene.

3 – chloro nitrobenzene

Suggest the route for the preparation of the following from benzene.

4 – chlorotoluene

Suggest the route for the preparation of the following from benzene.

Bromo benzene

Suggest the route for the preparation of the following from benzene.

m - dinitro benzene

What happens when Isobutylene is treated with acidified potassium permanganate?

How will you convert ethyl chloride into ethane?

How will you convert ethyl chloride into n – butane?

What happens when ethylene is passed through cold dilute alkaline potassium permanganate.

Write the structure of the following alkanes.

2, 3 – Dimethyl – 6 – (2 – methyl propyl) decane

Write the structure of the following alkanes.

5 – (2 – Ethyl butyl) – 3, 3 – dimethyldecane

Write the structure of the following alkanes.

5 – (1, 2 – Dimethyl propyl) – 2 – methylnonane

How will you prepare propane from a sodium salt of fatty acid?

Identify A and B.

Complete the following:

\[\begin{array}{cc}
\ce{CH2 - CH2 ->[Zn/C2H5OH]}\\
|\phantom{.......}|\phantom{..............}\\
\ce{Br}\phantom{.....}\ce{Br}\phantom{..............}
\end{array}\]

How will distinguish 1 – butyne and 2 – butyne?

C -X bond is strongest in ______.

Freon-12 is manufactured from tetrachloro methane by ______.

The major products obtained when chlorobenzene is nitrated with HNO₃ and con H₂SO₄

What happens when chloroform reacts with oxygen in the presence of sunlight?