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The number of electrons in a mole of hyd...

The number of electrons in a mole of hydrogen molecule is

A

`6.02 xx 10^(23)`

B

`12.046 xx 10^(23)`

C

`3.0115 xx 10^(24)`

D

Indefinite

Text Solution

Verified by Experts

The correct Answer is:
B
No.of electrons ` = 2 xx 6.022 xx 10^(23) = 12.046 xx 10^(23)`
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ERRORLESS-SOME BASIC CONCEPTS OF CHEMISTRY-NCERT BASED QUESTIONS( THE MOLE CONCEPT)
  1. In INCORRECT statement for 14 g of CO is .

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  2. The number of water molecules in 1L of water is :

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  3. The number of electrons in a mole of hydrogen molecule is

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  5. The number of sodium atoms in 2 moles of sodium ferrocyanide is

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  6. The number of gram atom of oxygen in 6.02xx10^(24) CO molecules is

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  7. Which among the following is the heaviest?

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  8. Number of atoms of He in 100 amu of He is :

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  9. Volume occupied by one molecule of water (density = 1 g cm^(-3))

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  10. 1 mole of methylamine on reaction with nitrous acid gives at NTP:

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  11. The number of formula units of calcium fluoride CaF(2) present in 146...

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  12. 80 g of oxygen contains as many atoms as in

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  13. 100 mL of O(2) and H(2) are kept at same temperature and pressure. Wha...

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  14. Common salt obtained from sea water contains 95% NaCl by mass. The app...

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  15. The molecules present in L 6.5 of sulphur dioxide at STP is

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  17. If 1 ml of water contains 20 drops. Then no. of molecules in a drop of...

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  18. In an experiment, 4g of M(2)O(x) oxide was reduced to 2.8g of the met...

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  19. When 22.4 L of H(2)(g) is mixed with 11.2 of Cl(2)(g), each at STP, th...

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  20. If Avogadro number N(A) is changed from 6.022 xx 10^(23) mol^(-1) to 6...

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