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Assertion : Aqueous solution of the comp...

Assertion : Aqueous solution of the compound `CoCl_(3) * 4NH_(3)` when treated with excess of `AgNO_3` , 1 mole of AgCl is precipitated .
Reason : The compound `CoCl_(3) * 4NH_(3)` has six primary valencies and one secondary valency .

A

If both Assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

if both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
C
The compound `CoCl_(3) * 4NH_(3)` has six secondary valencies and three primary valencies .
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When one mole CrCl_3 .6H_2O is treated with excess of AgNo_3 , 3 mole of AgCl is obtained. The formula of complex is

One mole of aqueous solution of the complex CoCl_(3)5H_(2)O when treated with excess of aqueous AgNO_(3) solution gave one mole of white pptof AgCl. What is the complex?

Knowledge Check

  • In the compound CoCl_(3).5NH_(3) :

    A
    all the cl show primary valency (PV) only
    B
    two cl show (PV) and one Cl secondary valency (SV)
    C
    two Cl show (PV) and one Cl (PV) as well as (SV)
    D
    all the Cl show (SV)

  • In the compound CoCl_(3).5NH_(3) :

    A
    all the cl show primary valency (PV) only
    B
    two cl show (PV) and one Cl show secondary valency (SV)
    C
    two Cl show (PV) and one Cl (PV) as well as (SV)
    D
    all the Cl show (SV)

  • In the complex CoCl_(3).4NH_(3)

    A
    Co-ordiantion entity is `[Co(NH_(3))_(4).Cl_(2)]^(+)`
    B
    Counter ion is `Cl^(-)`
    C
    Both are correct
    D
    None is correct.

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    One mole of the complex CoCl_(3) . 6 H_(2) O on reaction with excess of AgNO_(3) agives two moles of white precipitate thus , complex is

    When one mole of CoCl_(3).5NH_(3) was treated with excess of silver nitrate solution , 2 mol of AgCl was precipptated . The formula of the compound is :

    The complex CoCl_(3).4NH_(3) ionizes to give

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