Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Periodic Table
It is because of inability of ns2 electrons of the valence shell to participate in bonding that
1
Sn4+ is reducing while Pb4+ is oxidising
2
Sn2+ is reducing while Pb4+ is oxidising
3
Sn2+ is oxidising while Pb4+ is reducing
4
More than one of the above
5
None of the above