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The following are some statements relate...

The following are some statements related to group `15` hydrides.
(i) Reducing property increases from `NH_3` to `BiH_3`
(ii) Tendency to donate lone pair decreases from `NH_3` to `BiH_3`
(iii) Thermal stability of hydrides decreases from `NH_3` to `BiH_3`
(iv) Bond angle decreases from `NH_3` to `BiH_3`.

A

`(i), (ii), (iii)` and `(iv)`

B

`(i), (iii)` and `(iv)`

C

`(i), (ii)` and `(iv)`

D

`(i)` and `(iv)`

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The correct Answer is:
A
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  2. Aqua regia is

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  3. The number of steps, in which orthophosphoric acid is ionised, are

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  8. Cl-P-Cl bond angles in PCl5 molecule are

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  10. Chlorine reacts with excess of ammonia to form.

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  11. The following are some statements related to group 15 hydrides. (i) ...

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  12. The atomicity of phosphorus is X and the P-P-P bond angle is Y. What a...

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  17. Nitrogen forms N(2) but phosphorous when forms P(2) gets readily conve...

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  18. In NO(3)^(-) ion, the number of bond pair and lone pair of electrons o...

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  20. The element which forms oxides in all oxidation states +1 to +5 is.

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