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Question
Assertion: Finely divided solid reactants react much faster as compared to massive reactants.
Reason: Finely divided solid reactants possess a larger surface area.
Options
If both Assertion and Reason are CORRECT and Reason is the CORRECT explanation of the Assertion.
If both Assertion and Reason are CORRECT but Reason is not the CORRECT explanation of the Assertion.
If Assertion is CORRECT but Reason is INCORRECT.
If Assertion is INCORRECT but Reason is CORRECT.
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Solution
If both Assertion and Reason are CORRECT and Reason is the CORRECT explanation of the Assertion.
Explanation:
Finely divided solids have a larger surface area, which increases the number of collisions with reactant particles. This leads to a faster reaction rate compared to bulky solids. Hence, the reason correctly explains the assertion.
