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Question

8gO2 has same number of atoms as that in:

A
14g CO
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B
7g CO
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C
11g CO2
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D
22g CO2
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Solution

The correct option is B 14g CO
8g O2 means 0.5 moles of O2 i.e NA–– atoms
Avagadro number
14g of CO means 0.5 moles of CO i.e NA atoms
Same number of atoms are present
Ans :- Option A.

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