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The set representing the correct order o...

The set representing the correct order of first ionisation potential is

A

`K gt Na gt Li`

B

`Be gt Mg gt Ca`

C

`B gt C gt N`

D

`Ge gt Si gt C`

Text Solution

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The correct Answer is:
B
Down the group I.E. decreases
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CENGAGE CHEMISTRY-PERIODIC TABLE-Periodic Table (II) (MANDATORY EXERCISE (Exercise Set I))
  1. The first ionisation potential of Na, Mg, Al, and Si are in the order ...

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  2. The last member in each period of the periodic table is

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  3. Fluorine, chlorine, bromine and iodine are placed in the same group (1...

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  4. According to the Mendeleev Periodic law of elements, the variation in ...

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  5. Which block of the periodic table contains only metals?

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  6. Chemical property of Li and Mg similar because

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  7. Whose name is not associated with the development of Periodic Table?

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  8. Coinage metals are present in

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  9. Which of the following is the atomic number of a metal?

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  10. The basis of keeping the elements in the group of a modern periodic ta...

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  11. Which of these does not reflect the periodicity of the elements?

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  12. The radii of F, F^(-), O and O^(2-) are in the order of

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  13. Which of the following has the largest ionic radius?

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  14. The smallest among the following ions is

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  15. The ionic radii of Li^(+), Na^(+),K^(+) are in which of the following ...

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  16. The correct order of radii is

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  17. Among the following options, the sequence of increasing first ionisati...

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  18. The set representing the correct order of first ionisation potential i...

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  19. Which among the following species has the highest ionisation potential

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  20. The elements which occupy the peaks of ionisation energy curve in a pe...

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