Assertion(A) : A reaction cannot become fast by itself unless a catalyst is added in the…
Chemistry · JEE Advanced · NTA Exams — Surface Chemistry
Assertion(A) : A reaction cannot become fast by itself unless a catalyst is added in the reaction mixture.
Reason(R) : Catalyst may increase or decrease the rate of a reaction.
Reason(R) : Catalyst may increase or decrease the rate of a reaction.
- If both assertion and reason are correct and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Answer
(D) If assertion is false but reason is true.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Assertion (A): The extent of adsorption of CO 2 is much more higher than of H 2 . Reason(R): CO 2 (g) has…
- When O 2 is adsorbed on a metallic surface, electron transfer occurs from the metal to O 2 . The true…
- Assertion(A) : For coagulation of positively charged sols, [Fe(CN) 6 ] 4– ion has higher coagulating power…
- Adsorption of gases on solid surface is generally exothermic because
- As 2 S 3 sol has a negative charge. Capacity to precipitate it is highest in
- Assertion (A): Micelles are formed by surfactant molecules above the critical micelle concentration(CMC)…
- There are certain properties related to physical adsorption I : Reversible II : Formation of unimolecular…
- The qualitative sketches I, II and III given below show the variation of surface tension with molar…
More Surface Chemistry questions · Browse all practice questions