p -Block elements - ll — Chemistry STD 12 Science — Question

$\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}, \quad\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-} \text {, }$

$(A)$                                        $(B)$

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+}, \quad\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{2+}$

$(C)$                                       $(D)$

The correct order of $A$, $B$, $C$ and $D$ in terms of wavenumber of light absorbed is :

$(A)$ Albumin is a simple protein

$(B)$ The amino acid alanine contains an acidic side chain

$(C)$ Insulin is a hormone

$(D)$ Muscles contain the protein keratin

Point out the wrong statements in the above set of statements