IIT-JEE 1984

The IUPAC name of the compound having the formula is :

On hybridization of one s and one p orbitals we get:

The total energy of one mole of an ideal monatomic gas at 27o is _______ calories.

Cp - Cv for an ideal gas is _______

Equal weights of methane and hydrogen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by hydrogen is

The hydration energy of Mg++ is larger than that of:

When 16.8 g of white solid X were heated, 4.4 g of acid
gas A, that turned lime water milky was driven off together
with 1.8 g of a gas B which condensed to a colourless
liquid. The solid that remained, Y, dissolved in water to
give an alka...

2.68 \(\times\) 10-3 moles of a solution containing an ion An+ require 1.61 \(\times\) 10-3 moles of \(MnO_4^-\) for the oxidation of An+ to \(AO_3^-\) in acid medium. What is the value of n?

The increasing order (lowest first) for the values of e/m (charges/mass) for electron (e), proton (p), neutron (n) and alpha particle (\(\alpha\)) is:

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

When alpha particles are sent through a thin metal foil, most of them go straight through the foil because

Many elements have non-integral atomic masses because:

The electron energy in hydrogen atom is given by E = (-21.7 \(\times\) 10-12)/n2 ergs. Calculate the energy required to remove an electron completely from the n = 2 orbit. What is the longest wavelength (in cm) of light that can be used to ...

An isotone of \({}_{32}^{76}Ge\) is

Correct set of four quantum numbers for the valence (outermost) electron of rubidium (Z = 37) is