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Which is used for drying ammonia ?...

Which is used for drying ammonia ?

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For drying ammonia quick line (CaO) is used.
`to` For drying ammonia conc. `H_(2)SO_(4),P_(4)O_(10)` and anhydrous `CaCl_(2)` cannot be used because they react with ammonia and forms `(NH_(4))_(2)SO_(4),(NH_(4))_(3)PO_(4)` and `CaCl_(2).8NH_(3)`
`H_(2)SO_(4)+2NH_(3)to(NH_(4))_(2)SO_(4)`
`P_(4)O_(10)underset(H_(2)O)overset(NH_(3))to(NH_(4))_(3)PO_(4)`.
`CaCl_(2)+8NH_(3)toCaCl_(3)8NH_(3)`.
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Why conc "H"_(2)"SO"_(4),"P"_(4)"O"_(10) and anhydrous CaCl_(2) cannot be used to dry ammonia ? (Hint : ammonia reacts with them forming (NH_(4))_(2)SO_(4),(NH_(4))_(3)PO_(4)" and "CaCl_(2),8NH_(3) )

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Knowledge Check

  • (A) Liquid ammonia is used for refrigeration (R ) The moisture in ammonia is removed by using CaO

    A
    Both (A) and (R ) are true and (R ) is the correct explanation of (A)
    B
    Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
    C
    (A) is true but (R ) is false
    D
    Both (A) and (R ) are false

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    B
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    Both A & Rare true, R is the correct explanation of A
    B
    Both A & Rare true, R is not correct explanation of A
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    D
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