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The correct order of acidic stength is :...

The correct order of acidic stength is :

A

`Cl_2O_7gt SO_3gt P_4O_(10)`

B

`CO_2gt N_2O_5gt SO_3`

C

`Na_2Ogt MgO gt Al_(2)O_3`

D

`K_2OgtCaO gt MgO`

Text Solution

Verified by Experts

The correct Answer is:
A
`Cl_(2)O_(7),SO_(2) and P_(4)O_(10)` are the anhydrides of `HClO_(4), H_(2)SO_(3) and H_(3)PO_(4)` whose strengths are in the order
`HClO_(4) gt H_(2)SO_(3)gt H_(3)PO_(4)`.
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MODERN PUBLICATION-CHEMISTRY OF P - BLOCK ELEMENTS-Multiple Choice Questions (Level - II) (Comprehensive Qs)
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  2. The oxoacid of sulphur that contains a lone pair of electrons on sulph...

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  3. The correct order of acidic stength is :

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  4. The number of sigma - bonds in P4O(10) is :

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  5. H(3)BO(3) is :

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  6. Among Al(2)O(3), SiO(2),P(2)O(3) and SO(2), the correct order of acid ...

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  7. The correct order of bond angle (smallest first) in H(2)S, NH(3), BF(3...

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  8. Which one of the following has the regular tetrahedral structure ?

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  9. The number of hydrogen atoms attached to phsophorus atom in hypophosph...

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  10. The correct order of thermal stability of hydrogen halides (H-X) is :

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  11. In silicon dioxide:

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  12. The structure of dibroane (B(2)H(6)) contains :

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  13. Which reaction indicates the oxidising behaviour of H(2) SO(4)

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  15. Which of the following statement is true?

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  16. In which of the following molecules / ions are all the bonds not equal...

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  17. The decreasing order of bond angles from NH(3) (106^(@)) to SbH(3)(101...

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  18. A colourless aqueous solution on adding water and on heating gave a wh...

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  19. Ba(OH)(3)+NaOH hArr Na[B(OH)(4)]: To keep the above reaction on forw...

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  20. When CO(2) is passed through water, which of the following species wil...

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