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Consider the following points : (a) Cs...

Consider the following points `:`
`(a) Cs` is the strongest reducing agent is `IA` group element
`(B)" "Be(OH)_(2)` is amphoteric
`(c )` The density of potassium is less than sodium
`(d)` In alkali metals `Li,Na,K` and `Rb`, lithium has the minimum value of `M.P.`
Correct statements are `:`

A

(a) & (b) are correct

B

(a),(b) & (c ) are correct

C

(b) & (c ) are correct

D

(b), (c ) & (d) are correct

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Na^(+) and Ag^(+) differ in

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  2. Magnesium powder burns in air to give :

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  3. Consider the following points : (a) Cs is the strongest reducing age...

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  4. Mg^(+2) does not form either preoxide or superoxidem because

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  5. The stability order of oxide, peroxide and superoxide of alkalimetal i...

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  6. Match list I with list II and choose the correct answer from the codes...

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  7. Alkali metals forms following compound

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  8. Which alkaline earth metal compound is volatile

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  9. Match the compound(s)/metal(s) in X with their uses in Y {:(X,Y),(A....

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  10. The reaction of sodium is highly exothermic with water. The rate of re...

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  11. Which of the following statement is not correct?

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  12. In between the metals A and B both form oxide but B also forms nitride...

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  13. When SiCl(4) vapours are passed over hot Mg, the products formed are

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  14. The metal X is prepared by the electrolysis of fused chloride. It reac...

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  15. Which of the following statement is not correct?

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  16. Molten sodium chloride conducts electricity due to the presence of:

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  17. CO(2) gas along with solid (Y) is obtained when sodium salt (X) is hea...

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  18. Magnesium oxide can be obtained by heating :-

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  19. A compoud which can be used in space vehicles both to absorb CO(2) and...

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  20. Nitrate is converted into metal oxide on heating. This metal is:

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