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Which represents alkali metals (i.e. 1^(...

Which represents alkali metals (i.e. `1^(st)` group metals) based on `(IE)_(1)` and `(IE)_(2)` value (in `KJ//mol)`?

A

`{:(,(IE)_(1),(IE)_(2)),(X,500,1000):}`

B

`{:(,(IE)_(1),(IE)_(2)),(Y,600,2000):}`

C

`{:(,(IE)_(1),(IE)_(2)),(Z,550,7500):}`

D

`{:(,(IE)_(1),(IE)_(2)),(M,700,1400):}`

Text Solution

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The correct Answer is:
C
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RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
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  2. The first ionisation potential of Na,Mg,Al and Si are in the order

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  3. Which represents alkali metals (i.e. 1^(st) group metals) based on (IE...

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  4. Which of the following relation is correct with respect to first (I) a...

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  5. Among halogens, the correct order of amount of energy released in elec...

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  6. Which of the following will have the most negative electron gain entha...

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  7. The order of electron gain enthalpy (magnitude) of O, S and Se is:

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  8. Electronic configuratios of four elements A, B, C and D are given belo...

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  9. Which of the following statements is correct?

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  10. Which of the following is affected by the stable electron configuratio...

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  11. The electronegativity values of C, N, O and F on Pauling scale:

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  12. Correct order of electronegativity of N,P,C and Si on Pauling scale is...

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  13. The correct order of electronegativity on Pauling scale is:

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  14. Which of the following is most electronegative element.

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  15. Which of the following is true about the element .(33)As according to ...

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  16. Which of the following contains atomic number of only s-block

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  17. Screening effect is not observed in :

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  18. Which of the following have higher Z(eff) than Fluorine.

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  20. Which of the following can show +7 oxidation state?

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