Assertion: The conjugate base of a weak acid is a strong base. Reason: Elements that are strong Bronsted-Lowry acids are not strong Bronsted-Lowry bases.
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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B
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
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C
Assertion is true but Reason is false
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D
Assertion is false but Reason is true
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E
Both Assertion and Reason are false
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Solution
The correct option is B Both Assertion and Reason are true but Reason is not the correct explanation of Assertion Assertion: The conjugate base of a weak acid is a strong base. Since acid is weak, it has least tendency to donate proton. Its conjugate base will have maximum tendency to accept proton. Reason: Elements that are strong Bronsted-Lowry acids are not strong Brnosted-Lowry bases. Strong Bronsted-Lowry acids have maximum tendency to donate protons. Hence, they have least tendency to accept protons. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion