C is:

A

`(NH_(4))_(3) PMo_(12) O_(40)`

B

`(NH_(4))_(3) PMo_(12)O_(42)`

C

`(NH_(4))_(3)PMo_(7)O_(24)`

D

`(NH_(4))_(3)PMo_(6)O_(18)`

Text Solution

Verified by Experts

The correct Answer is:
A
`PO_(4)^(3-) underset(NH_(4)Cl+NH_(4)OH)overset(Mg^(2+)"salt")(rarr)Mg(NH_(4))PO_(4) overset(Delta)(rarr)MgP_(2)O_(7)`
`C=(NH_(4))_(3)PO_(4).12MoO_(3)` (canary yellow ppt)
`2Na_(2)HPO_(4)NaH_(2)PO_(4) overset(Delta)(rarr) underset((ST PP))(Na_(5)P_(3)O_(10))+2H_(2)O`
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NARAYNA-15TH GROUP ELEMENTS-Level-VI
  1. A white 'A' on heating decomposes to produce two products 'B' and 'C'....

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  2. B is:

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  3. C is:

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  4. D is:

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  5. Nitrogen forms the largest number of oxides as it is capable of formin...

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  6. Nitrogen forms the largest number of oxides as it is capable of formin...

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  7. Nitrogen forms the largest number of oxides as it is capable of formin...

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  8. H(3)PO(4) overset(Delta)rarr X overset(Delta)rarrY gives a white preci...

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  9. H(3)PO(4) overset(Delta)rarr X overset(Delta)rarrY gives a white preci...

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  10. H(3)PO(4) overset(Delta)rarr X overset(Delta)rarrY gives a white preci...

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  11. NH(3)+O(2)overset("Pt")to(A) (A)+O(2)to (B)(brown fumes) (B)+H(2)o...

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  12. NH(3)+O(2)overset("Pt")to(A) (A)+O(2)to (B)(brown fumes) (B)+H(2)o...

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  13. NH(3)+O(2)overset("Pt")to(A) (A)+O(2)to (B)(brown fumes) (B)+H(2)o...

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  14. Action of concentrated nitric acid (HNO(3)) on metallic tin produces

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  15. Which fo the following metal is rendered passive by the action of high...

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  16. Action of concentrated nitric acid (HNO(3)) on metallic tin produces

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  17. An inorganic compound 'A' on heating with solution of KOH, gives a gas...

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  18. An inorganic compound 'A' on heating with solution of KOH, gives a gas...

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  19. An inorganic compound 'A' on heating with solution of KOH, gives a gas...

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  20. E+D darr overset(H(2)O)larr B overset(P)larr Ca overset(N(2))rarr A ov...

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