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Byju's Answer

Standard XII

Chemistry

Werner's Coordination Theory

In aqueous so...

Question

In aqueous solution 1 mole of $C o C l_{3} .4 N H_{3}$ gives 1 mole of AgCl precipitate with excess $A g N O_{3}$ , then what is the secondary valency of metal?

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Solution

The correct option is D 6
$1$ Mole of $C o C l_{3} .4 H N O_{3}$ gives $1$ mole of $A g C l$
According to Alfred Werner theory of co-ordination compound the secondarty valence of metal is $6$
Hence, option $(D)$ is the correct answer.

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Similar questions

Q. Assertion :Aqueous solution of the compound

C o C l_{3} .4 N H_{3}

when treated with excess of

A g N O_{3}

, 1 mole of

A g C l

is precipitated. Reason: The compound

C o C l_{3} .4 N H_{3}

has six primary valencies and one secondary valency.

Q. On the basis of the following observations made with aqueous solutions, assign secondary valences to metals in the following compounds:

Formula	Moles of $A g C l$ precipitated per mole of the compounds with excess $A g N O_{3}$
(i) $P d C l_{2} .4 N H_{3}$	$2$
(ii) $N i C l_{2} .6 H_{2} O$	$2$
(iii) $P t C l_{4} .2 H C l$	$0$
(iv) $C o C l_{3} .4 N H_{3}$	$1$
(v) $P t C l_{2} .2 N H_{3}$	$0$

1 mole of amino cobalt chloride on treating with an excess of $A g N O$ $_{3}$ solution gives $2$ moles of $A g C l$ precipitate. The number of $C l^{-}$ ions which satisfies both primary and secondary valency of cobalt in the complex is:

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

does not form any precipitate with excess

{A g N O}_{3}

solution, whereas 1 mole of

C o C l_{3} .5 N H_{3}

gives two moles of

A g C l

with excess

{A g N O}_{3}

. The van't Hoff factor for both the compounds respectively are:

Q. An aqueous solution of

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

on mixing with

A g N O_{3}

produces

3

moles of a white precipitate. Primary and secondary valency of the metal in this complex is:

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In aqueous solution 1 mole of CoCl3.4NH3 gives 1 mole of AgCl precipitate with excess AgNO3, then what is the secondary valency of metal?

The correct option is D 61 Mole of CoCl3.4HNO3 gives 1 mole of AgClAccording to Alfred Werner theory of co-ordination compound the secondarty valence of metal is 6Hence, option (D) is the correct answer.

In aqueous solution 1 mole of $C o C l_{3} .4 N H_{3}$ gives 1 mole of AgCl precipitate with excess $A g N O_{3}$ , then what is the secondary valency of metal?

The correct option is D 6
$1$ Mole of $C o C l_{3} .4 H N O_{3}$ gives $1$ mole of $A g C l$
According to Alfred Werner theory of co-ordination compound the secondarty valence of metal is $6$
Hence, option $(D)$ is the correct answer.