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Why trimethylamine si pyramidal but tris...

Why trimethylamine si pyramidal but trisiluylamine is planar ?

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Knowledge Check

  • Which of the following is planar?

    A
    `SiCl_4`
    B
    `NF_3`
    C
    `SF_4`
    D
    `XeF_4`
    • CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 14 - CARBON FAMILY-Ex (Subjective)
    1. Why does elemental silicon not form a graphite-like structure, whereas...

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    2. Which of the following elements forms predominantly covalent compounds...

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    3. Cetenation i.e., linking of similar atoms depends on size and electron...

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    4. Give one chemical reaction to show that tin (II) is a reducing agent w...

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    5. Explain, why is CO2 a gas at room temperature but SiO2 is a high melti...

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    6. Give one chemical reaction to show that tin (II) is a reducing agent w...

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    7. Account for the following: C and Si show tetravalency in most of the...

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    8. Tendency to exhibit +2 oxidation state increases with increasing atom...

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    9. Why trimethylamine si pyramidal but trisiluylamine is planar ?

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    10. (CH3)3N acts as a Lewis base , but (SiH3)3 have very little basic char...

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    11. Explain the stability order of CO & SiO & give reason for same .

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    12. PbX2 is more stable than PbX4 (X = CI, Br, I). Account for it.

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    13. Account for the following observations (a) AlCl(3) is a Lewis acid ...

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    14. Give reason : CO is readily absorbed by ammoniacal cuprous chloride,...

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    15. Silanes are few in number whereas alkanes are large in number . Explai...

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    16. Predict whether the following molecules are isostructural or not Justi...

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    17. For a mineral . LiAl (SiO3)2, what is the charge on SiO3 unit ? What...

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    18. A metal M forms two chlorides M Cl2 and MCl4 respectively . In which g...

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    19. An inorganic compound (X) made up of two most occurring elements in ...

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    20. Explain the following : a. Oil paintings trun blackish after sometim...

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