TG EAPCET 2025 (Online) 2nd May Evening Shift | Coordination Compounds Question 5 | Chemistry

When 100 mL of 0.2 M solution of $\mathrm{CoCl}_3 \cdot x \mathrm{NH}_3$ is treated with excess of $\mathrm{AgNO}_3$ solution, $3.6 \times 10^{22}$ ions are precipitated. The value of $x$ is $\left(N=6 \times 10^{23} \mathrm{~mol}^{-1}\right)$

TG EAPCET 2025 (Online) 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

Which one of the following is not an ambidenate ligand?

$\mathrm{SCN}^{-}$

$\mathrm{SO}_4^{2-}$

$\mathrm{NO}_2^{-}$

TG EAPCET 2024 (Online) 11th May Morning Shift

MCQ (Single Correct Answer)

-0

Which one of the following complex ions has geometrical isomers?

$\left[\mathrm{Co}(\mathrm{Cl})_{2}(\mathrm{en})_{2}\right]^{+}$

$\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{en})\right]^{3+}$

$\left[\mathrm{Co}(\mathrm{en})_{3}\right]^{3+}$

$\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Br}\right]^{+}$

TG EAPCET 2024 (Online) 10th May Evening Shift

MCQ (Single Correct Answer)

-0

Arrange the following in increasing order of their crystal field splitting energy

I. $\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$

II. $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$

III. $\left[\mathrm{Co}(\mathrm{CN})_{6}\right]^{3-}$

IV. $\left[\mathrm{CoF}_{6}\right]^{3-}$

I $ < $ II $ < $ III $ < $ IV

IV $ < $ I $ < $ II $ < $ III

I $ < $ III $ < $ II $ < $ IV

IV $ < $ II $ < $ I $ < $ III

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