B is:

A

`MgHPO_(4)`

B

`Mg_(3)(PO_(4))_(2)`

C

`Mg(PO_(3))_(2)`

D

`Mg_(2)P_(2)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
`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`
Promotional Banner

Topper's Solved these Questions

  • 15TH GROUP ELEMENTS

    NARAYNA|Exercise Complete the following reactions|25 Videos

  • 15TH GROUP ELEMENTS

    NARAYNA|Exercise Example|15 Videos

  • 15TH GROUP ELEMENTS

    NARAYNA|Exercise Level-V|163 Videos

  • ELECTRO CHEMISTRY

    NARAYNA|Exercise SUBJECTIVE QUESTIONS|48 Videos

  • 16 TH GROUP ELEMENTS

    NARAYNA|Exercise EXERCISE - 4 NCERT EXAMPLERS/H.O.T.S.|18 Videos

Similar Questions

Explore conceptually related problems

If a, b and c are three coplanar vectors. If a is not parallel to b, show that c=(|[c*a, a*b], [c*b, b*b]|a+|[a*a, c*a], [a*b, c*b]|b)/(|[a*a, a*b], [a*b, b*b]|) .

Find the value of ( a^2/b^2 + b^2/a^2 ) is ( a ) ( a/b + b/a )^2 - 2 ( b ) ( a/b + b/a )^2 + 2 ( c ) ( a/b + b/a )^2 + 4 ( d ) ( a/b + b/a )^2 - 4

[A - (B - A)] uu [B - (A - B)]

If log15=a and log75=b, then log_(75)45 is: (3b-a)/(a)( b) (b-3a)/(a)(3a-b)/(b) (d) (a-3b)/(b)

If A = [ (a , b) , (-b , a)] and B = [ (a , b),(b , a)] , find AB .

Which of the following statement is false: A-B=A nn B b.A-B=A-(A nn B) c.A-B=A-B' d.A-B=(A uu B)-B

If a,b in R and a^(*)b=(a)/(a+b) where a+b!=0 and a^(*)b=5 then b*a=

Find the sum upto n terms of the series 0.b+0.b b+0.b b b +0.b b b b+"......",AA " b" in N " and "1 le b le 9.

Prove that : |{:(a+b,b+c,c+a),(b+c,c+a,a+b),(c+a,a+b,b+c):}|=2|{:(a,b,c),(b,c,a),(c,a,b):}| .

NARAYNA-15TH GROUP ELEMENTS-Level-VI
  1. A white 'A' on heating decomposes to produce two products 'B' and 'C'....

    Text Solution

    |

  2. A white 'A' on heating decomposes to produce two products 'B' and 'C'....

    Text Solution

    |

  3. B is:

    Text Solution

    |

  4. C is:

    Text Solution

    |

  5. D is:

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |