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Which of the following statements is not...

Which of the following statements is not correct?

A

One mole of carbon and 1/3 mole of carbon dioxide contain the same number of atoms.

B

One mole of `NH_3` and one mole of `BF_3` contain the same number of atoms.

C

One mole of `CO_2` occupies more volume than one mole of CO at N.T.P

D

One mole of carbon is `6.02 xx 10^23` times heavier than an atom of carbon

Text Solution

Verified by Experts

The correct Answer is:
C

All gases under similar conditions of temperature and pressure occupy same volume . Therefore ,one mole of `CO_2` and one mole of CO occupy same volume at N.T.P. (22.4L) .
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MODERN PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. Two samples were weighed using different balances (i) 3.529 g (ii)...

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  2. Which of the following is not a compound ?

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  3. Which of the following statements is not correct?

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  4. 1.0 g of an oxide of metal M contained 0.5 g of M and 4.0 g of another...

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  5. The molar masses of oxygen and sulphur dioxide are 32 and 64 respectiv...

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  6. Which of the following has largest number of atoms?

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  7. Which of the following has maximum number of molecules ?

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  8. Two flasks A and B of equal volume contain 2 g of H2 and 2 g of N2 ...

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  9. 2.24 L of N2 at N.T.P. contain same number of molecules as are presen...

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  10. The number of water molecules present in a drop of water weighing 0.01...

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  11. The number of silver atoms present in a 90% pure silver wire weighing ...

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  12. A given sample of AlCl3 contains 6.02 xx 10^20 Al^(3+) ions. The ...

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  13. What weight of CO(2) will contain same number of oxygen atoms as are p...

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  14. The number of atoms in 52 u of He is:

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  15. If one atom of hydrogen weighs 1.65 xx 10^(-24) g, then mass of one a...

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  16. The volume of one molecule of water is (density of water = 1 g ml^(-1)...

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  17. One mole of hydrogen peroxide (H2O2) has a mass same as that of

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  18. 19.7 kg of gold was recovered from a smuggler. How many atoms of gold ...

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  19. A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by ...

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  20. 0.5 mol of BaCl2 is mixed with 0.2 mol of Na3PO4 . The maximum numb...

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