Identify the neutral ligand: ammine

The same question, asked 2 times: 16 May 2023 S2, 9 May 2024 S1. Every wording below, oldest first.

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Question 1
16 May 2023 S2
72 $Which from following ligands is neutral?$
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Question 2
9 May 2024 S1
97 $Identify neutral ligand from following.$
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