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Question
Maximum number of atoms is present in:
Maximum number of atoms is present in:
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Solution
The correct option is A 2 g of hydrogen
14 g of carbon monoxide corresponds to 0.5 mole of it and contains 0.5NA molecules and thus, has NA atoms in total as CO molecule contains two atoms.
2 gms of hydrogen has one mole of it and has NA molecules and 2NA atoms as one hydrogen molecule contains two atoms.
11.2 liter of nitrogen at STP corresponds to 0.5 moles of it and has 0.5NA molecules and thus, contains NA atoms as one nitrogen molecule contains two atoms.
1.5 gm atoms or 0.375 moles of helium contains 0.375NA atoms of it.
Hence, the maximum number of atoms present in 2 gms of hydrogen.So, option B is correct.
14 g of carbon monoxide corresponds to 0.5 mole of it and contains 0.5NA molecules and thus, has NA atoms in total as CO molecule contains two atoms.
2 gms of hydrogen has one mole of it and has NA molecules and 2NA atoms as one hydrogen molecule contains two atoms.
11.2 liter of nitrogen at STP corresponds to 0.5 moles of it and has 0.5NA molecules and thus, contains NA atoms as one nitrogen molecule contains two atoms.
1.5 gm atoms or 0.375 moles of helium contains 0.375NA atoms of it.
Hence, the maximum number of atoms present in 2 gms of hydrogen.
So, option B is correct.
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