Assertion : Al forms [AlF6]^3- but B does not form [BF6]^3-.
Assertion : Al forms [AlF6]3- but B does not form [BF6]3-.
Reason : B does not react with fluorine.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false
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Correct option (c) A is true but R is false
Explanation:
B does not have vacant d-orbitals (sub-shell) in its valence shell.
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