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Which is not correct in case of Be and A...

Which is not correct in case of Be and Al ?

A

Both are rendered passive by conc. `HNO_(3)`

B

Carbides of both give methane on hydrolysis

C

Both give hydroxides which are basic

D

Both give covalent chlorides

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
  1. With a given anion the correct stability order of tetra haloborates is...

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  2. BCl(3)+LiAlH(4)toA+LiCl+AlCl(3) A+H(2)OtoB+H(2) Boverset("Red heat...

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  3. Which is not correct in case of Be and Al ?

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  4. Give reasons Graphite is used as lubricant.

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  5. SiF(4) + H(2)O to Aoverset(1000^(0)C)to B overset(Na(2)CO(3))to C Iden...

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  6. Decreasing order of "P" orbital Character in the following a) SiO(2...

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  7. Silicon has a strong tendency to form polymers like silicones. The cha...

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  8. Which of the following salt undergoes hydrolysis?

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  9. Which is correct regarding CO(2).

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  10. Hydrolysis of SiCl(4) gives compound 'X' and HCl on heating to 1000^(@...

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  11. The correct statement with respect to CO is

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  12. The correct order for boiling point of IV group hydrides respectively ...

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  13. Shape of overset(.)(C)H(3) is

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  14. The tetravalent elements A and B form dioxides both react with NaOH to...

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  15. Which of the following compounds is formed by addition of mineral acid...

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  16. Which of the following is not an ionic tri halide :

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  17. Alumina is insoluble in water because:

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  18. When oxalic acid is heated with concentrated H(2) SO(4) it produces

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  19. Which of the following sublimes on heating ?

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  20. In sheet silicate number of oxygen atoms involved in sharing are

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