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Which of the following is not known?...

Which of the following is not known?

A

`NCl_5`

B

`NI_3`

C

`SbCl_3`

D

`NCl_3`

Text Solution

Verified by Experts

The correct Answer is:
A
`NCl_5` is not known because of absence of d-orbitals in nitrogen.
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ERRORLESS-THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)-ASSERTION & REASON
  1. Which of the following is not known?

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  2. Statement-1 : Liquid NH(3) is used for refrigeration. Statement-2 : ...

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  3. Asseration:Although:Although PF(5),PCl(5) and PBr(5) are known, the pe...

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  4. Assertion : PCl(5) is covalent in gaseous and liquid state but ionic i...

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  5. Assertion : H(3)PO(3) is a diabasic acid. Reason: There are two H at...

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  6. Statement-1 : Electrovalency of oxygen is two (O^(2-)) Statement-2 :...

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  7. Assertion: Reaction of SO(2) and H(2)S in the presence of Fe(2)O(3) ca...

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  8. Asseration: SeCl(4), does not havea tetrahedral structure. Reason: S...

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  9. Assertion. Ozone is a powerful oxidising agent in comparison to O(2) ...

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  10. Statement SO(2) can be used as reductant as well as oxidant. Explanat...

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  11. Statement-1 : At room temperature oxygen exists as a diatomic gas, whe...

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  12. Assertion. Nitrogen is less reactive than molecular oxygen. Reason. ...

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  13. Assertion: N(2)H(4) cannot reduce S(2)O(3)^(2-) Reason : S(2)O(3)^(2...

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  14. Assertion : Sb(2)S(3) is not soluble in yellow ammonium sulphide. Re...

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  15. Assertion : The cyanide radical is a pseudo halide. Reason : The cy...

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  16. Statement-1 : Chlorine and sulphur dioxide both are bleaching agents. ...

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  17. Assertion : Halogens do not occur in free state. Reason : Halogens a...

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  18. Assertion (A): The halogens absorb visible light. Reason (R ): All h...

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  19. Asseration: F-F bond in F(2) molecule is strong. Reason: F-atom is s...

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  20. Assertion : Chlorine has higher electron affinity than fluorine. Rea...

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  21. Assertion : Xenon forms fluorides. Reason : Due to the strong elect...

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