State the order with respect to each reactant and overall reaction.

2Fe + O2 + 4H+ --> 2Fe2+ +2H2 O

your the answer 1/32

r = k(a)n => 2r = k(4a)n =>2 = 4n => n = 0.5

Because resultant molecules do not collide in proper orientation.

 t 2 = 2t 1 because for 3/4th of the reaction to complete time required is equal to two half lives

[Hint : D.P.                   D.M.                        Example (a) Solid/liquid           ...

(a) : The concentration of the reactant decreases from 0.8M to 0.4M in 15 minutes, i.e. t1/2 = 15 minute. Therefore, the concentration of reactant will fall from 0.1M to 0.025M in two...

Type of Colloid   Dispersed Phase   Dispersion medium   Example   Aerosol Solid or liquid Gas Smoke, Fog, Cloud Hydrosol Solid Water Starch sol, Protein sol Emulsion Liquid Liquid Milk, hair cream

According to the given reaction: Rate = k [A] [B]2 (i) When the concentration of reactant ‘B’ is increased three times the rate of reaction becomes 9 times. i.e., Rate = k [A]...