Teaching NVS PGT 2024 Test Series General Science Chemistry Chemical Bond and Molecular Structure

সবচেয়ে স্থিতিশীল আয়ন হল:

1
[Fe(C 2 O 4 ) 3 ] 3-
2
[Fe(C N ) 6 ] 3-
3
[Fe(C N ) 6 ] 4-
4
[Fe(H 2 O ) 6 ] 3+
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