IIT-JEE 1986

Write the IUPAC name of :
CH3CH2CH = CHCOOH

The hydrogen bond is strongest in

The bond between two identical non-metal atoms has a pair of electrons

The hybridisation of sulphur in sulphur dioxide is

CO2 is isostructural with

Write the lewis dot structure of the following:
O3, COCl2

The average velocity of an ideal gas molecule at 27oC is 0.3m/sec. The average velocity at 927oC will be

The rate of diffusion of gas is _______ proportional to both ________ and square root of molecular mass.

Give reasons of the following:
Hydrogen peroxide is a better oxidising agent than water.

Arrange the following in:
Increasing size:
Cl-, S2-, Ca2+, Ar

Complete and balance the following equation:
Mn2+ + PbO2 \(\to\) \(MnO_4^-\) + H2O

Complete and balance the following equation:
Ag+ + AsH3 \(\to\) H3AsO3 + H+

Arrange the following in increasing oxidation number of iodine.
I2, HI, HIO4, ICl

Complete and balance the following equation:
\(ClO_3^-\) + I- + H2SO4 \(\to\) Cl- + \(HSO_4^-\)

Complete and balance the following equation:
S + OH- \(\to\) S2- + \(S_2O_3^-\)

The softness of group I-A metals increases down the group with increasing atomic number.

The pair of compound which cannot exist together in solution is:

The vapour pressure of ethanol and methanol are 44.5 and 88.7 mm Hg respectively. An ideal solution is formed at the same temperature by mixing 60 g of ethanol with 40 g of methanol. Calculate the total vapour pressure of the solution and t...

A molal solution is one that contains one mole of solute in

Which one of the following sets of quantum numbers represents an impossible arrangement?

Rutherford's alpha particle scattering experiment eventually led to the conclusion that:

The ratio of the energy of a photon of 2000Å wavelength to that 4000Å radiation is

The sum of the number of neutrons and proton in the isotope of hydrogen is

The electron density in the XY plane in 3dx2 - y2 orbital is zero