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The correct order of reactivity of halog...

The correct order of reactivity of halogens is

A

`F gt CI gt Br gt I`

B

`F lt CI gt Br gt I`

C

`F lt CI lt Br lt I`

D

`F lt CI lt Br gt I`

Text Solution

Verified by Experts

The correct Answer is:
A
We know that atomic no.of fluorine `(F)`, chlorine `(Cl)` . Baromine `(Br)` and Iodine `(I)` are `9, 17, 35` and `53` respectively . Therefore, correct reactivity of halogens is `F gt Clgt BrgtI`.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Ionisation Energy
  1. For C,N,O and F, which of the following orders is correct for IP?

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  2. The correct order of reactivity of halogens is

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  3. The first ionisation potential in electron volts of nitrogen and oxyge...

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  4. The atomic number of vanadium (V), chromium (Cr), manganese (Mn) and i...

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  5. Which of the following has the highest first ionisation energy?

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  6. The first ionisation potential of Na,Mg,Al and Si are in the order

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  7. Which among the following elements have the lowest value of IE(1)?

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  8. Which of the following elements will have the lowest first ionisation ...

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  9. Fluorine is the best oxidising agent because it has

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  10. The ionisation energy of nitrogen is more than that of oxygen because

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  11. Which of correct about ionisation potential?

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  12. The formation of the oxide ion O(g)^(2-) requires first an exothermic ...

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  13. Mg and Li are similar in their properties due to

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  14. Maximum I.E. Is for

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  15. Order of first ionisation potentials of elements Li,Be,B, Na is

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  16. A sudden jump- between the values of second and third ionisation energ...

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  17. A neutral atom will have the lowest ionisation potential when its elec...

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  18. Which of the following is incorrect?

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  19. The process requiring the absorption of energy is

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  20. Which of the following sequence regarding the first ionisation potenti...

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