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Reactivity with Air CO2 and Water (Group 1)

The secondary...

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The secondary valence of metal cocl3.4nh3 if 1l and 1m solution react with 1 molecules of agno3 only is

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Q. 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?

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}

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) $P t C l_{2} .2 N H_{3}$	$0$

Q. _{If valency of silver is +2 and valency of nitrate is -1,then when they both reacts they form}AgNO3.Explain why?

Q. If the secondary valency in

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

is six, the solution conductivity in silver nitrate corresponds to ______ electrolyte.

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Reactivity with Air CO2 and Water (Group 1)

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