Which statement is most likely to be true for astatine, which is below iodine in Group VII of the
A Astatine and aqueous potassium chloride react to form aqueous potassium astatide and
B Potassium astatide and hot dilute sulphuric acid react to form white fumes of only hydrogen
C Silver astatide reacts with dilute aqueous ammonia in excess to form a solution of a soluble
D Sodium astatide and hot concentrated sulphuric acid react to form astatine
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can anyone explain why is it not A or B or C but its D
is there any reasoning behind it or is it just pure memorization?
A is not right because Astatine cannot displace chlorine as it is below chlorine in seventh group umm thats all i got
Just reviewed my notes and it says AgCl ios soluble, AgBr sparingly soluble and AgI is insolouble in NH3 by following the pattern silver Astatide must be insoluble ion dilute nh3 C is wrong