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The covalency of nitrogen in HNO2 is...

The covalency of nitrogen in `HNO_2 ` is

A

0

B

2

C

3

D

5

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL BONDING-OBJECTIVE EXERCISE-2A (COVALENT AND DATIVE BOND)
  1. The element that exhibits neither electrovalency nor covalency is

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  2. The attraction that non-polar molecules have for each other is primari...

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

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  4. Which of the following ion has maximum polarising power

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  5. The bond between chlorine and bromine in BrCl is

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

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  7. The covalency of nitrogen in HNO2 is

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  8. van der Walls forces are maximum in the following substance

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  9. An aqueous solution of silver nitrate gives a white precipitate with

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  10. Which of the following is very much volatile ?

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  11. Which of the following is truely covalent?

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  12. Which of the following is covalent?

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

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  14. Direct overlap leads

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  15. The bonds present in N2O5 are

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

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

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  18. The types of bonds present in CuSO4.5H2 O are

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  19. (A): BeF2 is predominently a covalent compound. (R) : Electronegativit...

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  20. (A) : SiF4 has octet configuration, but acts as an electron pair accep...

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