The value of KC is 64 at 800 K for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) The value of KC for the following reaction is : NH3(g) ⇌ {1 \over 2}N2(g) + {3 \over 2}H2(g)

For the reaction Fe2N(s) + {3 \over 2}H2(g) ⇌ 2Fe(s) + NH3(g)

Consider the following reaction: N2O4(g) ⇌ 2NO2(g); $$\Delta$$Ho = +58 kJ For each of the following cases (a, b), the direction in which the equilibrium shifts is : (a) Temperature is decreased. (b) Pressure is increased by adding N2 at constant T.

If the equilibrium constant for A ⇌ B + C is $$K_{eq}^{(1)}$$ and that of B + C ⇌ P is $$K_{eq}^{(2)}$$, the equilibrium constant for A ⇌ P is :

For the equilibrium A ⇌ B , the variation of the rate of the forward (a) and reverse (b) reaction with time is given by :

An open beaker of water in equilibrium with water vapour is in a sealed container. When a few grams of glucose are added to the beaker of water, the rate at which water molecules :

In the figure shown below reactant A (represented by square) is in equilibrium with product B (represented by circle). The equilibrium constant is :

The incorrect statement(s) among (a) – (d) regarding acid rain is (are) : (a) It can corrode water pipes. (b) It can damage structures made up of stone. (c) It cannot cause respiratory ailments in animals. (d) It is not harmful for trees

The presence of soluble fluoride ion upto 1 ppm concentration in drinking water, is :

The condition that indicates a polluted environment is :

The processes of calcination and roasting in metallurgical industries, respectively, can Iead to :

Thermal power plants can lead to :

The statement that is not true about ozone is :

Biochemical Oxygen Demand (BOD) is the amount of oxygen required (in ppm) :

Among the gases (a) – (e), the gases that cause greenhouse effect are : (a) CO2 (b) H2O (c) CFCs (d) O2 (e) O3

Three isomers A, B and C (mol. formula C8H11N) give the following results : R has lower boiling point than S A, B and C, respectively are :

In the following reaction sequence, [C] is :

The most appropriate reagent for conversion of C2H5CN into CH3CH2CH2NH2 is

The increasing order of basicity of the following compounds is :

The final major product of the following reaction is :