Arrange the following ions in the increasing order of their ∆ H_{\text{(hydration }} ) values. {\Cr}^{2+}, {\Co}^{2+}, {\Mn}^{2+}, {\Ni}^{2+}

Correct Answer is : Mn2+<Cr2+<Co2+<Ni2+

{\Co}^{2+}< {\Ni}^{2+}< {\Cr}^{2+}< {\Mn}^{2+}

{\Cr}^{2+}< {\Mn}^{2+}< {\Co}^{2+}< {\Ni}^{2+}

{\Ni}^{2+}< {\Co}^{2+}< {\Mn}^{2+}< {\Cr}^{2+}

{\Mn}^{2+}< {\Cr}^{2+}< {\Co}^{2+}< {\Ni}^{2+}

COMEDK 2024 Shift 1 Paper

Question : 7 of 180

Marks: +1, -0

Arrange the following ions in the increasing order of their ∆H‌(hydration ‌ ) values.
Cr2+,Co2+,Mn2+,Ni2+

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