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Explain, why is CO2 a gas at room temper...

Explain, why is `CO_2` a gas at room temperature but `SiO_2` is a high melting solid.

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Why is O_2 inert at room temperature ?

Assertion : CO_(2) is a gas at room temperature while SiO_(2) is a crystalline solid. Reason : SiO_(2) is a network of silicon and oxygen atoms joined by multiple bonds

Why is N_(2) less reactive at room temperature ?

Explain, why solid CO_2 is called dry ice?

Why nitrogen is inert at room temperature ?

At room temperature, CO_(2) is a gas while SiO_(2) is a solid because

At room temperature, CO_(2) is a gas while SiO_(2) is a solid because

At room temperature, CO_(2) is a gas while SiO_(2) is a solid because

Explain, why o -hydroxybenzaldehyde is a liquid at room temperature while p -hydroxybenzaldehyde is a high melting solid?

o-Hydroxy benzaldehyde is more soluble in water than p-hybroxy benzaldehde (b) o-Hydroxy benzaldehyde is liquid at room temperature while p-hydroxy benzaldehyde is high melting solid .

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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