1. S
2. Se
3. O
4. Po
S
1. Reacts with Al to give H2
2. Reacts with Al to give NO2
3. Reacts with Al to give NH4NO3
4. Hardly affects Al at all
Hardly affects Al at all
1. SnCl2
2. SnCl4
3. [SnCl4]2-
4. [SnCl6]2-
SnCl4
1. 2
2. 9
3. 6
4. 8
9
1. Four
2. Two
3. Three
4. one
Four
1. Conformers
2. Diastereomers
3. Enantiomers
4.
Conformers
1. 1,2 – Dimethylpropane
2. 2,2 – Dimethylpropane
3. 2,3 – Dimethylpropane
4. 2,2 - Dimethylbutane
2,2 – Dimethylpropane
1. 4- Propylheptane
2. 4- Ethyloctane
3. 4- Propyloctane
4. 4- Propyldecane
4- Propyloctane
1.
2.
3.
4.
1. 3 - Ethyl - 2 – methylpentane.
2. 3 - Ethyl - 4 – methylpentane
3. 3 - Ethyl - 4 – methylbutane
4. 3 - Ethyl - 2 – methylheptane
3 - Ethyl - 2 – methylpentane.