Chemistry Test ...

A cricket ball of 0.5 kg is moving with a velocity of 100 m/sec. What is the wavelength associated with its motion?

For the reaction Cl2 + 2I-→ I2 + 2Cl-, the initial concentration of I-was 0.20 mol L-1 and the concentration after 20 min was 0.18 mol L-1. The rate of formation of I2 in mol lit-1 would be

When 1 F of electricity is passed through acidulated water, the volume of O₂ evolved is

At equilibrium of N2O4(g) ⇌ 2NO2(g), the observed molecular weight of N2O4 is 80 g mol-1 at 350 K. The percentage of dissociation of N2O4(g) at 350K is

The solubility of CaF2 in pure water is 2.3 x 10-4 mol dm-3. Its solubility product will be

_______ acts as a Lewis acid, but not as a Bronsted acid.

The coagulation of 200 mL of a positive colloid took place when 0.73 g HCl was added to it without changing the volume. The flocculation value of HCl for the colloid is

The dissolution of sulphuric acid in water will exhibit

How many moles of magnesium phosphate Mg3(PO4)2will contain 0.25 moles of oxygen atoms?

Which of the following coordination compounds would exhibit optical isomerism?