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The number of unpaired electrons present...

The number of unpaired electrons present in the first excited state of chlorine atom is

A

1

B

3

C

5

D

2

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The correct Answer is:
B
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -1
  1. The number of unpaired electrons present in the first excited state of...

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  2. Which of the following halogens has metallic character ?

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  3. Super halogen is

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  4. The element which never acts as reducing agent in a chemical reaction ...

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  5. The high reactivity of fluorine is mainly due to

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  6. The type of forces present among halogen molecules

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  7. The correct order of Vander Waals radius of F, Cl and Br is :

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  8. Liquid and solid halogens are

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  9. The halogen that undergoes sublimation is

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  10. Ionisation potential of fluorine is abnormally high. It is due to

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  11. The elements with the highest electron affinity and electronegativity ...

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  12. An element M has an atomic mass 19 and atomic number 9. Its ion is rep...

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  13. General oxidation states of halogens are

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

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

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

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  17. Enthalpy of dissociation is low for

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

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

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  20. The hybridization in interhalogen compound AX7 is

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