In a reaction `2X to Y`, the concentration of X decreases from 3.0 mole/litre to 2.0 moles/litre in 5 minutes. The rate of reaction is

In a reaction 2A to Product the concentration of A decreases from 0.8 mole/L to 0.3 mole/L in 20 min. The rate of the reaction during this interval of time is

In a reaction 2A to Product the concentration of A decreases from 0.8 mole/L to 0.3 mole/L in 20 min. The rate of the reaction during this interval of time is

In a reaction 2A rarr Products: the concentration of A decreases from 0.5 mol litre^-1 to 0.4 mol litre^-1 in 10 minutes. The rate of reaction during this interval is:

Supposing for the reaction : H_(2)O_(2)+ 2I^(-) + 2H^(+) to I_(2) + 2H_(2)O the concentration of hydrogen peroxide decreases from 0.10 mole/litre to 0.08 mole/litre in 20 minutes. The average rate of reaction will be