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Chemistry · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 3 · Q7
The secondary valency of Co in [ Co ( en )_3]^3+ is
The secondary valency of Co in $\displaystyle \left[\mathrm{Co}(\mathrm{en})_{3}\right]^{3+}$ is
Official answer
(D)
$\displaystyle 6$
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