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Which of the following statements are co...

Which of the following statements are correct ?
i) The forces of attractions among covalent molecules are strong.
ii) Covalent compounds are solids in the room temperature.
iii)Covalent compounds have high melting points and high boiling points.

A

`1`. i

B

`2`. ii

C

`3`. i, ii & ii

D

`4`. None

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. Assertion (A): The bond angle in HOH (H2O) decreases from 109^@ 28' to...

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  2. Why do ionic compounds have high melting points?

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  3. Which of the following statements are correct ? i) The forces of attra...

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  4. "Like dissolves in like." This means: a) Covalent compounds dissolves...

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  5. Guess the atom with single valency and it can form ionic bond with chl...

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  6. Guess the atom with two valence electrons and it does not form any bon...

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  7. By losing an electron a neutral sodium atom becomes:

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  8. Which of the following can gain 2 electrons ?

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  9. What happens if a chlorine atom attracts a sodium atom ?i) They form i...

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  10. Predict the atom which can loss three electrons

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  11. If there is no lone pair electrons in H2O molecule, the angle of H2O i...

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  12. 02: Double bond :: :triple bond.

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  13. The compound which contains both ionic and covalent bonds is

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  14. Nacl : ionic :: :covalent.

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  15. The electronic configuration of metal 'M' is 1s^22s^22p^63s^2 3p^6 4s ...

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  16. When sodium reacts with chlorine.

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  17. An element reacts with oxygen to give a compound with a high melting p...

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  18. If the formula of carbonate of a metal M is M2CO3 then the formula of ...

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  19. The charge on a cation 'M' is +2 and anion 'A' is -3. The compound for...

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  20. X ---rarr 2, 8, 1 and X^+---rarr 2, 8. The 'X' can formbond.

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