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Electronic arrangement of pollonium is.....

Electronic arrangement of pollonium is..........

A

`[Kr]4f^(14) 5d^(10)6s^(2)6p^(3)`

B

`[Xe]4f^(14)5d^(10)6s^(1)6p^(3)`

C

`[Rn]5f^(14)6d^(10)7s^(2)7p^(4)`

D

`[Xe]4f^(14)5d^(10) 6s^(2) 6p^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-E (MULTIPLE CHOICE QUESTIONS (MCQS)) (DARPAN.S EXAM ORIENTED MCQS)
  1. Phosphine gas gives explosion on contact with ..........

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  2. What is possessed by pyrophosphoric acid ?

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  3. Electronic arrangement of pollonium is..........

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  4. Which of the following has highest electronegitivity ?

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  5. Liquid oxygen possess..........color.

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  6. When Al2O3 is reacted with aqueous solution of HCl gives..........comp...

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  7. What is industrial name of H2S2O7 ?

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  8. When Cu metal is heated with concentrated sulphuric acid, then...........

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  9. ..........acid is useful in lead storage cell.

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  10. Number of S = O bond present in H2S2O8 is …………….

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  11. In..........oxidation number of sulphur is +7.

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  12. In..........oxoacid of sulphur has lone pair of electron on sulphur at...

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  13. Atomic number of At is ..........

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  14. Electronic arrangement of Lv is...........

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  15. Chlorination of ethane is carried out in presence of ..........

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  16. Reaction of ammonia gas with excess of dichlorine gas produces ..........

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  17. To solublize nobel metals like gold, platinum ..........mixture is use...

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  18. What is the molecular formula of bromic acid ?

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  19. ………….+HCl to NaCl + H(2)O + CO(2)

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  20. What is the atomic arrangement of P atom in orthophosphorous acid ?

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