Question

Astatine is the element below iodine in Group 17 of the Periodic Table.
Which statement is most likely to be true for astatine?
А
silver astatide reacts with dilute aqueous ammonia in excess to form a
solution of a soluble complex
B
sodium astatide and hot concentrated sulfuric acid react to form
astatine
с
astatine and aqueous potassium chloride react to form aqueous
potassium astatide and chlorine
D
potassium astatide and hot dilute sulfuric acid react to form white
fumes of only hydrogen astatide​

Answer 1

Explanation:

Astatine is the element below iodine in Group 17 of the Periodic Table.

Which statement is most likely to be true for astatine?

А

silver astatide reacts with dilute aqueous ammonia in excess to form a

solution of a soluble complex

B

sodium astatide and hot concentrated sulfuric acid react to form

astatine

с

astatine and aqueous potassium chloride react to form aqueous

potassium astatide and chlorine

D