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Which of the following statements are co...

Which of the following statements are correct
i) Both carbides of Be and Al react with water to produce methane gas
ii) Be and Al dissolves in alkali to from berrylates and aluminates
iii) Be forms many complexes when compared with remaining `II_(A)`- group elements.

A

I, ii are correct

B

ii, iii, are correct

C

I, iii are correct

D

I, ii, iii are correct

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE EXERCISE
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  2. Metals that are passive by conc HNO(3) are cr,zn,Al

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  3. Which of the following statements are correct i) Both carbides of Be...

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  9. Beryllium hydroxide dissolves in excess of alkli to give

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  10. Correct statements regarding diagnal relationship between belyllium an...

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  11. The decomposition temperature of BaCO(3) (A), MgCO(3) (B) and CaCO(3) ...

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  12. Weight percentage of silica in portland cement is

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  13. During the conversion of one mole of gypsum to one mole of plaster of ...

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  14. Match the following {:("LIST - I","LIST - II"),("A) Aqueous solution...

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  15. The basic character of oxides MgO, SrO, K(2)O, NiO, Cs(2)O increase in...

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  16. A burning strip of magnesium is introduced into a jar containing a gas...

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  17. The calcium concentration in plasma is regulated by which harmones

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  18. Correct matching about composition of portland cement is {:("List - ...

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  19. Bleaching powder is obtained by the reaction chlorine with

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  20. Be(OH)(2)+2HCl+2H(2)Orarr X  In the complex "X", oxidation state and...

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