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The correct order of thermal stability o...

The correct order of thermal stability of hydrides of group `15` is

A

`NH_3 gt PH_3 gt AsH_3 gt BiH_3 gt SbH_3`

B

`NH_3 gt PH_3 gt ASH_3gt SbH_3 gt BiH_3`

C

`NH_3 lt PH_3 lt SbH_3 gt AsH_3 gt BiH_3`

D

`BiH_3gt SbH_3 gt ASH_3 gt PH_3 gt NH_3`

Text Solution

Verified by Experts

The correct Answer is:
B
It is because the strength of M-H bond decreasesdown the group, due to the increase in the size of central atom 'M'.
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NIKITA PUBLICATION-P-BLOCK ELEMENT -Competitive Exam
  1. The correct order of thermal stability of hydrides of group 15 is

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  2. In which of the following arrangements, the sequence is not strictly a...

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  3. Each of the following is true for white and red phosphorus except that...

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  4. Which of the following is not known

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  5. Which one of the following elements is most metallic?

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  6. Which of the following oxides of nitrogen is the anhydride of HNO(3)?

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  7. Dissociatuion of H(3)PO(4) occurs in following stages

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  8. Nitrogen forms how many oxides

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  9. The element which catches fire in air at 30^@C and is stored under wat...

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  10. A solution of ammonia in water contains

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  11. Which of the following is oxidised in air?

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  12. Which of the following exist in polymeric form ?

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  13. Which nitrogen trihalides is least basic

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  14. Which of the following oxide of nitrogen is a coloured gas?

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  15. Which oxide does not act as a reducing agent?

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  16. The basic character of hydrides of the 15th-group elements decreases i...

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  17. The strongest base is

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  18. Which has the lowest boiling point?

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  19. Of the following, the most acidic is

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  20. The correct order of the acidic nature of oxides is in the order

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  21. Nitrogen is relatively inactive element because is atom has a stable e...

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