Assertion (A) All collision of reactant molecules lead to product formation.
Reason (R) Only those collisions in which molecules have correct orientation and sufficent kinetic energy kinetic energy lead to compound formation.

Assertion: All collisions of reactant molecules lead to product formation. Reason: Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formations.

Assertion : All collision of reactant molecule lead to product formation. Reason : Product formation is independent of oriendation of the reactant moleucles.

Assertion (A) : All collisions between the reactant molecules result in product formation . Reason (R) : The collision between molecules having sufficient amount of energy and proper orientations, results in the formation of compounds.

Assertion: Every collision of reactant molecule is not successful. Reason: Every collision of reactant molecule with proper orientation is successful one.

Why all collisions between reactant molecules do not lead to a chemical reaction?

Assertion :- Every collision among reactant molecules is not responsible for the formation of products. Reason :- Only an activated molecule with proper orientation can give rise to the formation of product.

Assertion :All molecular collisions lead to the formation of products. Reason :Reactant molecules undergo chemical change irrespective of their collision.