Identify the neutral ligand: aqua

The same question, asked 2 times: 12 May 2024 S1, 22 Apr 2025 S1. Every wording below, oldest first.

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Question 1
12 May 2024 S1
78 $Which from following is a neutral ligand?$
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Question 2
22 Apr 2025 S1
77 $Identify neutral ligand from following.$
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