Name the isomerism shown by `[Cr(H_2O)_5(NCS)]^(2+)`

Explanation

To determine the type of isomerism shown by the coordination compound \([Cr(H_2O)_5(NCS)]^{2+}\), we will analyze the ligand and its coordination behavior.

### Step-by-Step Solution:

1. **Identify the Coordination Compound:**
The compound given is \([Cr(H_2O)_5(NCS)]^{2+}\). Here, chromium (Cr) is the central metal ion, and it is coordinated with five water molecules (H2O) and one thiocyanate ligand (NCS).

2. **Understand the Ligand:**
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