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Which of the following is not the charac...

Which of the following is not the characteristic of barium?

A

It emits electrons on exposure to light

B

It is a silvery white metal

C

It forms `Ba(NO_3)_2` which is used in preparation of green fire

D

Its ionization potential is lower than radium.

Text Solution

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The correct Answer is:
A
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MOTION-S-BLOCK-EXERCISE - 2 (Level - I) Objective Problems | JEE Main
  1. The correct order of basic-strength of oxides of alkaline earth metals...

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  2. Weakest base among KOH, NaOH, Ca(OH)(2)" and "Zn(OH)(2) is :

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  3. If X and Y are the second ionisation potentials of alkali and alkaline...

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  4. Sodium metal is highly reactive and cannot be stored in :

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  5. Nitrogen dioxide cannot be prepared by heating :

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  6. In LiAlH(4), metal Al is present in :

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  7. Which one of the following fluoride of alkali metals has the highest l...

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  8. White heavy precipitates are formed when BaCl(2) is added to a clear s...

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  9. Among MgCl2, RbCl, BeCl2 and LiCl, the compounds with the highest and ...

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  10. The correct order of degree of hydration of M^(+) ions of alkali metal...

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  11. BeCl2 + LiAIH4 to X+ LiCI + AICI3

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  12. The order of thermal stability of carbonates of IIA group is :

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  13. A pair of substances which gives the same products on reaction with wa...

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  14. Which of the following is not an anomalous property of lithium?

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  15. The incorrect statement(s) is/are :

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  16. The commercial method of preparation of potassium by reduction of molt...

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  17. Be2 C + H2 O to BeO + X CaC2 + H2 O to Ca(OH)2 + Y, then X and Y respe...

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  18. Which of the following metals dissolve in liquid ammonia?

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  19. MgBr(2) and MgI(2) are soluble in acetone because of

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  20. Which of the following is not the characteristic of barium?

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