Chemistry · 2022
JEE Main · 29 July 2022, Shift 2 · Q70
Which of the following 3d-metal ion will give the lowest enthalpy of hydration (Δ_hyd H ) when dissolved in water?
Which of the following 3d-metal ion will give the lowest enthalpy of hydration $\displaystyle \left(\Delta_{\text {hyd }} \mathrm{H}\right)$ when dissolved in water ?
Official answer
(2)
$\displaystyle \mathrm{Mn}^{2+}$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.