Give reason for the following: 

(i) Ethanoic acid is more acidic than ethanol.

(ii) Aniline is less basic than ammonia.

Write the possible conformations of butane. Arrange these conformations in the increasing order of their stability giving reasons.

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 reasons

Write the molecular orbital configuration of NO molecule and draw its energy level diagram. Also calculate its bond order.

Draw the resonance structures of cyanate ion. Out of them which one is less important as a resonance structure and why?

(i) S₂ ^2- (ii) OCl- (iii) CN-

Draw the Lewis structures of the following ions giving all the steps.

Why are alkali metal chlorides more soluble than alkaline earth chlorides? Explain.

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

Predict the coordination number of Mg²⁺ in MgO crystal and the crystal structure of MgO, if the ionic radius for Mg²+ is 65 pm and that for O2- is 140 pm.

(a) Write the electronic configuration of the elements platinum and gold. Also give reasons in support of your answer

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

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

(ii)What is a well behaved function? Illustrate using a suitable diagram.

(i) What are eigenfunctions and eigenvalues?

What is photoelectric effect? How did Einstein explain it?

What were the expected and observed results of Geiger and Marsden’s -particle experiment? Explain with the help of suitable diagrams.

Compare Premchand's writing with that of Mulk Raj Anand and investigate the ways in which the two represent social issues. 

What are the issues and problems in the construction of a feminist canon of Indian English Writing?

Is Matangini's involvement outside of marriage justified in the novel, 'Rajmohan's wife' or do you see some contradictory signals in the text? Discuss.