Valence Bond Theory

Q. Which of the following represents s - s, s - p and p - p overlap?

1. 
2. 
3. 
4. 

Q. 6.Structure of freon 112?

Q. 3.Why sulphur has vacent d orbital .What is the reason?

Q. Hydrogen shows characteristics similar to metals and .

1. alkali
2. halogens
3. alkaline earth
4. chalcogens

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. True
2. False

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. False
2. True

Q. Choose the correct pair of ions and their net charge.

1. Sodium ion
2. -1
3. Chloride ion
4. Magnesium ion
5. +1
6. +2

Q. Allylides are ionic carbides. They contain :

1. $C^{4-}$ ions
2. $C_2^{2-}$ ions
3. $C_3^{3-}$ ions
4. $C_3^{4-}$ ions

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. True
2. False

Q. In the complex $Fe{K}_2\left[Fe{\left(CN\right)}_6\right]$,

1. Both Fe atoms are in the same oxidation state.
2. Both Fe atoms are in the different oxidation state.
3. The coordination number of ion is 4.
4. The complex is a high spin complex.

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. False
2. True

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. False
2. True

Q. Atoms usually tend to achieve the nearest noble gas configuration.

1. False
2. True

Q. Which of the following exists as white salt in anhydrous state?

1. $Cu{F}_2$
2. $CuS{O}_4$
3. Both (A) and (B)
4. None of the above