A coordination compound $C r C l_{3} .4 H_{2} O$ gives white precipitate of AgCl with $A g N O_{3}$ . The molar conductance of the compound corresponds to two ions. The structural formula of the compound is:

[C r (H_{2} O)_{4} C l_{3}]

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[C r (H_{2} O)_{3} C l_{3}] H_{2} O

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[C r (H_{2} O)_{4} C l_{2}] C l

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[C r (H_{2} O)_{4} C l] C l_{2}

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Solution

The correct option is C $[C r (H_{2} O)_{4} C l_{2}] C l$
$[C r (H_{2} O)_{4} C l_{3}]$ and $[C r (H_{2} O)_{3} C l_{3}] H_{2} O$ will not give any ion in the solution. $[C r (H_{2} O)_{4} C l] C l_{2}$ will give three ions in the solution.
$[C r (H_{2} O)_{4} C l] C l_{2} \to [C r (H_{2} O)_{4} C l]^{2 +} + 2 C l^{-}$
$[C r (H_{2} O)_{4} C l_{2}] C l$ will give two ions in the solution.
$[C r (H_{2} O)_{4} C l_{2}] C l \to [C r (H_{2} O)_{4} C l_{2}]^{+} + C l^{-}$
Chloride ion will react with silver ion (from silver nitrate) to form silver chloride precipitate.
$A g^{+} + C l^{-} \to A g C l ↓$

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Similar questions

A coordination compound $C r C l_{3} . H_{2} O$ precipitates silver chloride when treated with silver nitrate. The molar conductance of its soltuion corresponds to a total of two ions. Write structural formula of the compound and name it.

Q. A six-coordinate complex of formula

C r C l_{6} .6 H_{2}

O is green in colour. A

0.1 M

solution of the complex when treated with excess of

A g N O_{3}

gave

28.7 g

of white precipitate. The formula of the complex would be:

Q. When a coordination compound

C o C l_{3} .6 N H_{3}

is mixed with

A g N O_{3}

, 3moles ofAgCl are precipitated per mole of the compound. Write :
(i) structural formula of the complex.
(ii) IUPAC name of the complex.

Q. Which of the following is the most likely structure of

C r C l_{3} \cdot 6 H_{2} O,

if 1/3 of total chlorine of the compound is precipitated by adding

A g N O_{3}

to its aqueous solution:

Q. Which isomer of

C r C l_{3} .6 H_{2} O

is dark green in colour and forms one mole of

A g C l

with excess of

A g N O_{3}

solution -

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A coordination compound CrCl3.4H2O gives white precipitate of AgCl with AgNO3. The molar conductance of the compound corresponds to two ions. The structural formula of the compound is:

A coordination compound $C r C l_{3} .4 H_{2} O$ gives white precipitate of AgCl with $A g N O_{3}$ . The molar conductance of the compound corresponds to two ions. The structural formula of the compound is: