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Number of elrctrons in 1. 8 mL of H2 ...

Number of elrctrons in ` 1. 8 mL ` of ` H_2 O` are :

A

` 6.02 xx 10^(23)`

B

` 6.02 xx 10^(24)`

C

` 6.02 xx 10^(22)`

D

` 6.02 xx 10^(25)`

Text Solution

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The correct Answer is:
A
` 1. 8 m L H_(2) O = 1 . G H_(2) O`. Also ` 18 g H_(2) O` has ` 10 N ` elecrons Find elecrons in ` 1. 8 g H_(2)O`.
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
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  2. The longest lambda for the Lyamn series is …………… (Given RH = 109678 ...

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  3. Number of elrctrons in 1. 8 mL of H2 O are :

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  4. The total number of electrons presnt in 1 mL Mg Given density of ...

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  5. What transition in He^(o+) ion shall have the same wave number as ...

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  6. Three isotopes fo an elecment have mass numbers (m, (m + 1) and (M +...

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  7. The radii of two of the first four Bohre's orbits of the hydrogen atom...

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  8. When photon of energy 25eV strike the surface of a metal A, the ej...

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  9. If the total enrgy fo an electron in a hydrogen linke atom in an ecite...

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  10. The highest excited state that unexcited hydrogen atom can ereach when...

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  11. The approximate quantum number fo a circular orbit of diamere , 20, n...

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  12. A boll of mass 200 g is moving with a velocity of 10 m sec^(-1) . If ...

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  13. p-orbitals fo an atom in presence fo magnetic field are :

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  14. In absence of Pauli exclusion principle , the elecrronic configureatio...

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  15. Heavy water molecule made from 1H^3 and 8O^(18) has an mol . Wt . Of...

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  16. The possible form of H2 molecule on the basis fo three isotopes can b...

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  17. H has two natural isotopes fo 1 H^1 and (O) has two isotopes O^(16) a...

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  18. Select the one :

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  19. The angular momentum of an electron in 2p-orbital is :

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  20. The ratio of the enrgy of the electron in groun state of hydrogen to t...

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