solutions in liquid nh3

Question 1

on dissolving in liquid nh3
M(s) + NH3(l) –>

Answer 1

M+ + e-

M+ + x (NH3) —> [M(NH3)x]+
ammoniated cation

e- + y (NH3) —> [e(NH3)y]-
ammoniated electron

Question 2

conducting nature is due to

Answer 2

ammoniated electron and cation

Question 3

blue color is due to

Answer 3

ammoniated electron

Question 4

paramagnetic nature is due to

Answer 4

ammoniated electron

Question 5

reducing nature is due to

Answer 5

ammoniated electron

Question 6

in conc soln of this, blue color changes to

Answer 6

bronze and becomes dimagnetic

Question 7

peroxide and superoxide of Na and K are used as

Answer 7

capsules, breathing mask, submarines