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Which cannot be used to generate H(2)?...

Which cannot be used to generate `H_(2)`?

A

`AI + NaOH`

B

`Zn + NaOH`

C

`Mg+NaOH`

D

`LiH + H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
`Zn + NaOH`.
Amphoteric elements `(Be, Zn, AI, Sn, Pb` etc) Produces hydrogen with `NaOH`.
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Lime stone is:-

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  2. Be(IIA) shows different behaviour as compared to other elements of the...

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  3. Which cannot be used to generate H(2)?

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  4. Only those elements of s-block can produce superoxides which have:-

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  5. In the Down's method for the extraction of sodium, the melting point o...

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  6. Which of the following carbonate will not decompose on heating:-

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  7. The decomposition temperature is maximum for:-

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  8. Metallic magnesium is prepared by-

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  9. Alum is the name used for all double salts having the composition M(2)...

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  10. Which valuable byproduct is obtained in the Down's process for extract...

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  11. Which does not exists in solid state

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  12. Alkali metals dissolve in liquid NH(3) then which of the following obs...

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  13. On passing excess of CO(2) in lime water, its milky appearance disappe...

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  14. Which of the carbide will give methane when reacts with water-

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  15. Alkali metals give colour in bunsen flame due to-

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  16. In the preparation of sodium carbonate which of the following is used-

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  17. Hardest s-block metal is-

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  18. An ingredient of banking powder is-

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  19. Which of the following metals can easily be cut with a knife?

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  20. Which of the following ions forms a hydoxide that is highly soluble in...

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