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Which of the following is covalent?...

Which of the following is covalent?

A

`H_(2)`

B

`CaO`

C

`KCl`

D

`Na_(2)S`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CHEMICAL BONDING-OBJECTIVE EXERCISE -2(COVALENT AND DATIVE BOND )
  1. Which of the following is very much volatile ?

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  2. Which of the following is truely covalent?

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  3. Which of the following is covalent?

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  4. If the electronegativity of two atoms is low, then expected bond betwe...

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  5. Direct overlap leads

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  6. The bonds present in N(2)O(5) are

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  7. In which type of bond fomation, can a proton participate?

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  8. The bonds present in [Cu(NH3)4] SO4 between copper and ammonia are

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  9. How many water molecules present in CuSO(4).5H(2)O are hydrogen bonded...

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  10. The element that exhibits neither electrovalency nor covalency is

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  11. Octet rule is mostly violated in the compounds formed by

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  12. In molecule, the formal charges of oxygen atoms 1,2,3 are respecti...

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  13. Which of the following statemets in incorrect for PCl(5)?

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  14. The attraction that non polar molecules have for each orther is primar...

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  15. In bisulphate ion the formal charge on sulphur atom is

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

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  17. Which of the following ion has maximum polarising power

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  18. The bond between chlorine and bromine in BrCl is

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  19. Oxygen cannot exhibit tetravalency and hexavalency like sulphur. This ...

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  20. Which of the following is the most likely Lewis structure of nitroslyl...

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