Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Chemistry Chemical Bonding and Molecular Structure Chemical Bonding

\(\rm PO^{3-}_4\) आयन में P-O आबंध के ऑक्सीजन परमाणु पर नियमनिष्ठ आवेश होता है

1
+ 1 
2
– 1 
3
– 0.75
4
+ 0.75
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