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Which of the following species has four ...

Which of the following species has four lone pairs of electrons in its valance shell ?

A

I

B

`O^(-)`

C

`Cl^(-)`

D

He

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The correct Answer is:
C
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -2
  1. The correct order of the thermal stability of hydrogen halide (H - X) ...

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  2. The order of melting point , boiling point and densities of halogens

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  3. Which of the following species has four lone pairs of electrons in its...

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  4. Which of the following is not correct regarding bond energies

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  5. Fluorine is a stronger oxidising agent than chlorine in aqueous soluti...

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  6. Easiest to perform in the following is

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  7. Hydrogen bonding does not play any role in boiling of

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  8. Bond dissociation energies of HF, HCl, HBr follow the order

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  9. Which of the following reaction does not takes place.

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  10. Which of the following shows variation of BE of halogens

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  11. In the reaction 3Br(2) + 6CO(3)^(2-) + 3H(2)OrarrBr^(-) + BrO3 + 6HCO...

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  12. Which one of the following ion has the highest value of ionic radius?

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  13. Poor conductor of electricity is

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  14. No gas is liberated when the following HX is treated with MnO(2)and co...

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  15. Which of the following does not form precipitate with AgNO3 ?

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  16. Which redical can bring about the highest oxidation state of a transit...

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  17. I) Fluorine reacts with cold , dilute alkalies liberating O(2) gas. ...

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  18. Which of the following statements is correct about halogens ?

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  19. KMnO4 acts as an oxidising agent in alkaline medium, when alkaline KM...

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  20. Gaseous HCl is a poor conductor of electricity while its aqueous solut...

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