Assertion :Lithium fluoride is most covalent in nature. Reason: Small anion can be easily distorted.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
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C
Assertion is correct but Reason is incorrect.
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D
Both Assertion and Reason are incorrect.
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Solution
The correct option is D Both Assertion and Reason are incorrect. Li+ ion is very small in size and has high tendency to distort electron cloud around the negative halide ion. Anion with large size can be easily distorted hence among halides, lithium iodide is the most covalent in nature.