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Two tetravalent elements A and B form di...

Two tetravalent elements A and B form dioxides. Both react with NaOH to form similar salts. `lfloorOAO` is `180^@` .lfloor `ul(OBO)` is `109^(@)28^(1)` . Both are acidic in nature. A and B are respectively

A

C and S

B

S and Si

C

C and Si

D

Si and C

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The correct Answer is:
C
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AAKASH SERIES-REVISION EXERCISE -ELEMENTS OF CARBON FAMILY
  1. Which of the following decomposes steam to form dioxide and dihydrogen...

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  2. An acidic flux among the following is

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  3. What is the covalency of silicon in H(2)SiF(6)?

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  4. {:("List -1 " ,"List -2 "),("A) IVA group", "1) Amorphous"),("B) Tridy...

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  5. Incorrect statement regarding CO2 is

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  6. Among the following substituted silanes the one which will give rise t...

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  7. Silicones are used as water proof materials because they have

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  8. When some of Si^(+4) in frame work silicates are replaced by Al^(+3) ...

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  9. The main common constituent of producer gas and water gas is

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  10. The structure and hybridisation of Si(CH(3))(4) is ,

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  11. CO(2) and N(2) are non-supporters of combustion. However, for putting...

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  12. Which of the following does not represent the correct resonance strutu...

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  13. PbCl(4) exists, but PbBr(4) and PbI(4) do not. This is because of

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  14. Two tetravalent elements A and B form dioxides. Both react with NaOH ...

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  15. Mark the oxide which is amphoteric in character

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  16. Which of the following halides is least stable and has doubtful existe...

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  17. Example of crystalline solid .

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  18. In the penultimate shells, correct configur-ations of group 14 element...

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  19. False among the following

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  20. Carbon can not expand its valency beyond 4, because

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