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The order of melting point , boiling poi...

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

A

Gradually decreases from `F_(2)` to `I_(2)`

B

Gradually increases from `F_(2)toI_(2)`

C

Decreases from `F_(2)`to`Br_(2)` and then increases

D

Increases from `F_(2)` to `Br_(2)` and then decreases

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The correct Answer is:
B
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -2
  1. In which of the following molecules, sigma bonds formed by the overlap...

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  2. The correct order of the thermal stability of hydrogen halide (H - X) ...

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

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

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

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

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  7. Easiest to perform in the following is

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

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

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

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

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

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

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  14. Poor conductor of electricity is

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

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

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

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

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

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

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