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Which one of the following elements can ...

Which one of the following elements can show both positive and negative oxidation state ? 

A

F

B

I

C

Li

D

He.

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The correct Answer is:
B
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -1
  1. An element M has an atomic mass 19 and atomic number 9. Its ion is rep...

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  2. General oxidation states of halogens are

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  3. Which one of the following elements can show both positive and negativ...

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  4. The maximum oxidation state that can be exhibited by a halogen in its ...

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  5. Which one of the following elements show different oxidation states?

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  6. Enthalpy of dissociation is low for

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  7. F2 absorbs ........ portion of light and appear yellow and I2 absorbs ...

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  8. In AX(5) type sof molecule if 'A' undergoes sp^(3)d^(2) hybridisation...

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  9. The hybridization in interhalogen compound AX7 is

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  10. The strongest oxidising agent among the following is

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  11. The order of reactivity of halogens with Hydrogen is

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  12. Which of the following is incorrect with respect to property indicated...

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  13. Which halogen has highest ionisation potential

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  14. The electron affinity values(in KJ "mole"^(-1)) of three halogens x, y...

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  15. Which of the following is most volatile

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  16. Correct order of boiling points of hydrogen halides is

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  17. Match the correct bond dissociation in halogens {:("Halogens","Bo...

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  18. Identify the wrong statement/s I) All halogens are coloured <r> II)...

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  19. The wrongly matched amongst the following is :

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  20. If 'M' is a monovalent metal , the order of ionic character of their h...

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