Question

Of the well-characterized elements of group 7A, which would exhibit the following properties?

a.It reacts with the alkali metals (M) to form a salt MX, where X is the halogen.
b.Its hydrogen halide, HX, forms a weakly acidic solution.
c.It is more reactive than the other halogens.
d.It forms interhalogen compounds only of the form XA, where A is the unknown and X is another halogen.

Answer 1

Answer: it reacts with the alkali metals (M) to form a salt MX, where X is the halogen.

Explanation: Group 7A elements are halogen and they react with alkali metals like Sodium or potassium to form a salt like NaCl