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D and F Block Elements question

2020 · 9 Jan · Shift 2 · Q7
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D and F Block Elements question

2020 · 9 Jan · Shift 2 · Q7

JEE MainChemistryD and F Block ElementsNumerical+4 / −1
The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ‾\underline{\hspace{2cm}}​.
Numerical answer
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