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The chemical elements are arranged in th...

The chemical elements are arranged in the order of increasing electronegativities in the sequence:

A

P, Si, Se, Br, N

B

Si, Se, P, Br, N

C

Si, P, Se, Br, N

D

Se, P, Si, Br, N

Text Solution

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The correct Answer is:
C
Electronegativity increases as we move from left to right in a period so phosphours is more electronegative than silicon and bromine is more electronegative than selenium and electronegativity decreases as we descend the group.
`therefore` Nitrogen is the most electronegative element of the given elements.
`therefore` The observed order is Si, P, Se, Br, N.
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ERRORLESS -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Electronegativity
  1. Electronegativity is a measure of the capacity of an atom to

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  2. Most electronegative element is

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  3. The chemical elements are arranged in the order of increasing electron...

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  4. Which of the following have no unit?

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  5. An atom with high electronegativity has

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  6. The correct order of decreasing electronegativity values among the ele...

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  7. In the following, the element with the highest electropositivity is

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  8. On going from right to left in a period in the periodic table the elec...

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  9. The element with highest electronegativity is

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  10. Going from fluorine to chlorine, bromine and iodine, the electronegati...

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  11. With respect of chlorine, hydrogen will be

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  12. Between HBr, Hl, HF has the highest ionic character because

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  13. In third period of the long form of the periodic table that is from Na...

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  14. On Pauling scale which of the following does not have electronegativit...

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  15. The most polar bond is

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  16. Which of the following is a false statement

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  17. The solubilities of carbonates decreases down the magnesium group due ...

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  18. Among Al(2)O(3),SiO(2),P(2)O(5) and SO(3) the correct order of acid st...

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  19. Keeping in view the peroidic law and the periodic table suggest which...

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  20. Pauling's equation for determining the electronegativity of an element...

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