Which of the following is not correct?

Options

A. `Na^(+)+Cl^(-)rarrNaCl`
B. `Ca^(+)+2F^(-)rarrCaF_(2)`
C. `Na^(+)+F^(-)rarrNaF`
D. `Ca^(+)+2Na^(+)rarrCaNa_(2)`

Answer

D

Explanation

(d) Both Ca and Na are metals and form positive ions, which repel each other. Hence,the given reaction is not feasible.