IIT-JEE 1988

Arrange the following :
N2, O2, F2, Cl2 in increasing order of bond dissociation energy

The molecule that has linear structure is

The species in which the central atom uses sp2 hybrid orbitals in its bonding is

The first ionisation potential of Na, Mg, Al and Si are in the order

The statements that are true for the long form of the periodic table are:

The equivalent weight of MnSO4 is half of its molecular weight, when it converts to

Write down the balanced equation for the reaction when:
Carbon dioxide is passed through a concentrated aqueous solution of sodium chloride saturated with ammonia.

A sample of hydrazine sulphate (N2H6SO4) was dissolved in 100 ml. of water, 10 ml of this solution was reacted with excess of ferric chloride solution and warmed to complete the reaction. Ferrous ion formed was estimated and it required 20 ...

In which mode of expression, the concentration of a solution remains independent of temperature?

A sugar syrup of weight 214.2 g contains 34.2 g of sugar (C12H22O11). Calculate (i) molal concentration and (ii) mole fraction of sugar in the syrup

The outermost electronic configuration of the most electronegative element is

The triad of nuclei that is isotonic is

The wavelength of a spectral line for an electronic transition is inversely related to :

The uncertainty principle and the concept of wave nature of matter were proposed by ______ and ______ respectively. (Heisenberg Schrodinger, Maxwell, de Broglie)