Home › CBSE Class 12 (Science) › Chemistry › Chemical Kinetics › Crushing a solid reactant speeds a reaction beca…
Crushing a solid reactant speeds a reaction because it
ALowers its Ea sharply
BExposes more surface area
CCools the solid mass
DAdds a hidden catalyst
Answer & Solution
Correct answer: B. Exposes more surface area
Only surface particles of a solid react, so smaller pieces give more collisions.
Related questions
Chemical equilibrium is reached whenWhich technique studies fast reactions by a sudden temperature or pressure change?The study of reactions initiated by light is calledIn 1864 Waage and Guldberg published which law?Who received the first Nobel Prize in Chemistry in 1901 for laws of chemical dynamics?Who studied the inversion of sucrose in 1850, pioneering chemical kinetics?The number of collisions per second per unit volume of a reaction mixture is calledCollision theory treats reactant molecules as