(a) State Fajan’s rules. Explain all the rules with suitable examples.

Draw the cis- and trans- forms of 1, 3-dimethylcyclobutane. Which one of these

(i) will be polar in nature?

(ii) has higher melting point? Explain your answer giving reason

State Fajan’s rules. Explain all the rules with suitable examples.

Give reason for the following: 

(i) Ethanoic acid is more acidic than ethanol.

(ii) Aniline is less basic than ammonia.

What is photoelectric effect? How did Einstein explain it?

Write the values of four quantum numbers for the electrons present in the following orbitals.

(i) 2p (ii ) 3d (iii) 4f

(i) What are eigenfunctions and eigenvalues?