Question

which of the following can not form cation?
a. Z=12
b. Z=13
c. Z=15
d. Z=11

Answer 1

c .........................

Answer 2

hey mate

your answer is option c

becoz
a)z=12=z^+2
b)z=13=z^+3
c)z=15=z^-3
d)z=11=z^+1

cation is a positively charged ion and the element z in option c is not positively charged

hope it helps ☺☺