The atomicity of K2Cr2O7 is
I. 9
II. 11
III. 10
IV. 12
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Answer:
11 is the atomicity of K2Cr2O7
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Answer:
11 Answer.....
Explanation:
In this molecule 2 atoms of potassium, 2 atoms of chromium and 7 atoms of oxygen are present. So, atomicity is 11.