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Number of atoms in 4.25 g of NH(3) is:...

Number of atoms in 4.25 g of `NH_(3)` is:

A

`6.023xx10^(23)`

B

`4xx60.23xx10^(23)`

C

`1.7xx10^(24)`

D

`4.5xx6.023xx10^(23)`

Text Solution

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The correct Answer is:
A
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OP TANDON-BASIC PRINCIPLES-OBJECTIVE QUE.
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  3. Number of atoms in 4.25 g of NH(3) is:

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  7. In the reaction N(2)+3H(2)rarr2NH(3). The ratio of volumes of nitrogen...

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  8. Two volumes of ammonia, on dissociation gave one volume of nitrogen an...

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  11. An important postulate of Dalton's atomic theory is

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  12. Which one of the following relationship is correct?

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  13. A(1)g of an element gives A(2)g of its oxide. The equivalent mass of t...

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  14. A(1)g of an element gives A(2)g of its chloride, the equivalent mass o...

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  15. Which one of the relationship is wrong?

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  16. In m(1)g of a metal A displaces m(2)G of another metal B from its salt...

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  17. When the specific heat of a metallic element is 0.214 cal g^(-1) the ...

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  18. Approximate atomic mass of an element is 26.89. if its equivalent mass...

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  19. When an element forms an oxide in which oxygen is 20% of the oxide by ...

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  20. 0.32g of a metal gave on treatment with an acid 112mL. Of hydrogen at ...

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