Chemistry · 2025
JEE Main · 24 January 2025, Shift 2 · Q60
When Ethane-1,2-diamine is added progressively to an aqueous solution of Nickel (II) chloride, the sequence of colour change observed will be:
When Ethane-$\displaystyle 1,2$-diamine is added progressively to an aqueous solution of Nickel (II) chloride, the sequence of colour change observed will be :
Official answer
From NTA’s final answer key for this paper.
(1)
Green → Pale Blue → Blue → Violet
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.