Question

54. If transition element 'X' has maximum unpaired electrons in their (n-1) d-subshell in ground
state, then which of the following statement is incorrect regarding element 'X' is :
(a) 'X' has symmetrical distribution of electron density.
(b) 'X' may belong to 6th
group. .
(c) 'X' may belong to 7th
group.
(d) 'X' always have 5 unpaired electrons in its ground state.​

Answer 1

D. number. ka hai like please

Answer 2

all the options are correct.

let me explain :

1. Symmetrical distribution means either half filled or full filled or completely vacant.

6th group transition element's ground state electronic configuration is 4s¹3d⁵ and 7th group having 4s²3d⁵.

so you can see it's symmetrical distribution in d block(half filled).

2. x belongs to both 6 th group and 7 th group

3. X always have 5 unpaired electrons in its *ground state.