Chemistry Test - 2

Synthesis of each molecule of glucose in photosynthesis involves

The coagulating power of electrolytes having ions Na⁺ , Al³⁺ and Ba²⁺ for arsenic sulphide sol increases in the order

How many litres of water must be added to 1 litre of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2?

A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO₂ . The empirical formula of the hydrocarbon is :

The first ionization potential of Na is 5.1 eV. The value of electron gain enthalpy of Na⁺ will be:

Which of the following exists as covalent crystals in the solid state?

Which of the following arrangements does not represent the correct order of the property stated against it ?

The rate of a reaction doubles when its temperature changes from 300K to 310K. Activation energy of such a reaction will be: (R = 8.314 JK^-1 mol^-1 and log 2 = 0.301)

Experimentally it was found that a metal oxide has formula M_0.98O. Metal M, is present as M²⁺ and M³⁺ in its oxide. Fraction of the metal which exists as M³⁺ would be:

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was: