Question

Which of the following is most stable in aqueous solution?
(a) Mn2+
(b) Cr3+
(c) V3+
(d) Ti3+

Answer 1

The correct option is Cr3+

Explanation:

Cr3+ has an electronic configuration of [Ar] 3d3. It has three unpaired electrons. This makes it highly stable in the aqueous solution.

Water has two hydrogen and one oxygen which means it dissolves substance that has the ability to donate electrons but crystal field spiting concept applies in case of  Cr3+ . According to the theory, it has t2g in half filled. So, it has no electrons to donate which makes it more stable in water.

Learn more about stability of ions from the link below

https://brainly.in/question/13113225

Answer 2

Answer:

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