Q.
Which of the following is not correct?
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a
Na++Cl-⟶NaCl
b
Ca2++2 F-⟶CaF2
c
Na++F-⟶NaF
d
Ca2++2Na+⟶CaNa2
answer is D.
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Detailed Solution
Both Ca and Na are metals and form positive ions, which repel each other. Hence, the given reaction option (d) is not feasible.
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