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What is the maximum covalency of oxygen ...

What is the maximum covalency of oxygen ? Give examples.

A

A and R are true and A is supported by R .

B

A and R are true b A is not supported by R.

C

A is true but R is false.

D

A is false but R is true.

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. Transfer of sharing of electrons by an atom results in the formation o...

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  2. Which of the following is wrong ? i) O requires two more electrons t...

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  3. What is the maximum covalency of oxygen ? Give examples.

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  4. 1 nano metre : 10^-9 metre : : 1angstrom : ..... metre.

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  5. P: Electronic theory of valence did not explained the shapes of the mo...

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  6. Assertion (A) : BeCl2, molecule is linear in shape.Reason (R) : BeCl2,...

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  7. i) BeCl2, has no lone pair of electrons. ii) NH3 has one lone pair of ...

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  8. Which of the following is not correct regarding bond energies

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  9. Assertion (A) : 4Be does not form covalent bonds. Reason (R): Electron...

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  10. Assertion (A): The bond angle in HOH (H2O) decreases from 109^@ 28' to...

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  11. Why do ionic compounds have high melting points?

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

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

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

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

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

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  17. Which of the following can gain 2 electrons ?

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

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  19. Predict the atom which can loss three electrons

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

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