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The second ionization enthalpy of which ...

The second ionization enthalpy of which of the following alkaline earth metals is the highest?

A

Be

B

Mg

C

Ca

D

Sr

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Verified by Experts

The correct Answer is:
A
Due to small size , Be has the highest 1st and 2 nd ionization energies amongst alkaline earth metals .
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PRADEEP-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS) -Competition Focus JEE (Main and Advance)/Medical Entrance (Multiple Choice Questions (With One Correct Answer)) Group 2 Elements - Alkaline Earth Metals
  1. Be^(2+) is isoelectronic with which of the following ions ?

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  2. The second ionization enthalpy of which of the following alkaline eart...

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  3. The alkaline earth metal which has the least density is

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  4. The set representing the correct order of ionic radii is

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  5. The hydration energy of Mg^(+2) is greater than that of

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  6. Match the flame colours of the alkaline earth metal salts in the Bunse...

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  7. Which pair of the following chlorides does not impart color to the fla...

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  8. Magnesium reacts with an element (X) to form an ionic compound. If the...

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  9. The least ionic chloride is given by

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  10. Among the following alkaline earth metal halides, one which is covalen...

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  11. Which of the following is covalent ?

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  12. Which of the following compounds has the lowest melting point ?

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  13. For tow ionic solids CaO and KI, identify the wrong statement among th...

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  14. Which of the following oxides is most acidic in nature ?

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  15. Property of the alkaline earth metals that increases with their atomic...

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  16. Which of the following is the weakest base ?

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  17. Which of the following is the strongest base ?

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  18. The decreasing order of basic character of K(2)O BaO , CaO and MgO is

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  19. Which one of the following order represents the correct sequence of th...

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  20. In which of the following pairs, each member produces the same gas whe...

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