First slide

Werner's theory

Question

According to werner primary valency of central atom in $[Co {({NH}_{3})}_{4} {Cl}_{2}] Cl$ Complex is

Moderate

A

5
B

3
C

6
D

4

Solution

$[Co {({NH}_{3})}_{4} {Cl}_{2}] Cl$ For this, $x + 4 (0) + 3 (- 1) = 0; X = + 3$ , primary valency satisfied by negative ligands/ species i.e Cl^-

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