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Which of these elements have almost same...

Which of these elements have almost same electronegativity?
(i) C,I (ii) P, H (iii) N, Cl (iv) Br,S

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The correct Answer is:
Phosphorous and hydrogen have almost similar electronegativity values of 2.1. Similarly carbon and iodine have a value of 2.5; Nitrogen and Chlorine have a value of 3.0 and Bromine, Sulphur have a value of 2.8.
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VIDYAMANDIR CLASSES (VMC MODULES)-PERIODIC PROPERTIES OF ELEMENTS -Practice Exercise
  1. Why does S^(-) ion not accept the second electron readily?

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  2. Why phosphorous has higher electron affinity than nitrogen?

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  3. Which of these elements have almost same electronegativity? (i) C,I ...

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  4. Which will have a higher value of electronegativity for fluorine, the ...

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  5. Is it possible to calculate the electronegativity of an element if its...

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  6. Why does caesium carbonate not decompose yet lithium carbonate does?

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  7. Least soluble carbonate among alkaline earth metals will be?

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  8. Which of the following alkali metal hydroxides is the strongest base ?

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  9. What will be the value of screening constant (sigma) for the sodium at...

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  10. Why is the radius of aluminium and gallium almost similar?

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  11. Why do inert gases have larger values of atomic radius?

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  12. Why does phosphorous has higher ionization enthalpy than sulphur?

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  13. Why do metals in the 5d transition series (for example, Pt, Au, Ir etc...

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  14. What will be the downward trend of ionization energy in group 13?

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  15. Comment on electron gain enthalpy of alkaline earth metals?

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  16. Why does S^(-) ion not accept the second electron readily?

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  17. Why phosphorous has higher electron affinity than nitrogen?

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  18. Which of these elements have almost same electronegativity? (i) C,I ...

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  19. Which will have a higher value of electronegativity for fluorine, the ...

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  20. Is it possible to calculate the electronegativity of an element if its...

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