Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
The number of unpaired electrons in the complex ion [Co(NH3)6]3+ are:
1
zero
2
one
3
two
4
More than one of the above
5
None of the above