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The correct order of basic strength of h...

The correct order of basic strength of hydrides of group-15 is ............

A

`NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3) gt BiH_(3)`

B

`BiH_(3) gt SbH_(3) gt AsH_(3) gt PH_(3) gt NH_(3)`

C

`BiH_(3) gt NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3)`

D

`NH_(3) gt BiH_(3) gt SbH_(3) gt AsH_(3) gt PH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Basic strength decreases with the decrease in electronegativity of central atom.
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  1. Which of the following cannot act as an electron pair donor ?

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  2. In phosphorus acid, the number of OH group present is/are ……………..

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  3. The correct order of basic strength of hydrides of group-15 is ..........

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  4. The product of the reaction of P4O10(s) with water is .............

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  5. In determination of boiling points, the Van- der-Waal's force is likel...

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  6. Which of the following compounds is most stable ?

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  7. A colourless gas with rotten fish small, burns spontaneously with a br...

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  8. Amongst the following, the strongest reducing agent is .............

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  9. In the reaction : H2O + Br2 to HOBr + HBr, Br2 gets ............

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  10. In presence of Lewis acid, which Xenon compound is an excellent fluori...

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  11. The true statement for the acids of phosphorus H3PO2, H3PO3 and H3PO4 ...

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  12. In which of the following compounds, all bond lengths are not equal ?

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  13. Ozone (O3) will not oxidise ............

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  14. Which of the following is the correct order of the boiling points of h...

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  15. The halogen with highest polarisibility is.........

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  16. The halogen that absorbs a light of maximum wavelength is ............

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  17. The correct order of acidic strength of acids : H3PO4, H4P2O7 and H5P3...

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  18. Identify the correct order of acidic strength.

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  19. The correct order of oxidizing nature of Ocl^(-), Obr^(-) and Ol^(-) ...

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  20. The correct order of melting points of group-15 trifluorides is .........

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