1.

Number of Cr-O sigma bonds in dichromate in Cr_(2)O_(7)^(2-) is

Answer»


SOLUTION :`""^(Ө)O- OVERSET(O)overset(||)UNDERSET(O)underset(||)Cr-O-overset(O)overset(||)underset(O)underset(||)Cr-O^(Ө)`


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