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  • Why rapidly dissociates into  <img alt="\mathrm{U}^{4+}" src="/latex-image/?%5Cmathrm%7BU

Why \mathrm{UO}_2{ }^{+} rapidly dissociates into  \mathrm{U}^{4+} and \mathrm{UO}_2{ }^{2+}in solution?

Option: 1

Because it reacts with \mathrm{H}_2 \mathrm{O}.
 


Option: 2

Because it reacts with \mathrm{O}_2.
 


Option: 3

Because it is not stable in +4 oxidation state.
 


Option: 4

Because it is not stable in +5 oxidation state.


Answers (1)

best_answer

In \mathrm{UO}_2{ }^{+}, uranium is in +5 oxidation state and is very unstable. So, it dissociates into more stable +4 and +6 oxidation states.

2 \mathrm{UO}_2^{+}+\mathrm{H}^{+} \rightarrow \mathrm{U}^{4+}+\mathrm{UO}_2^{2+}+2 \mathrm{H}_2 \mathrm{O}

Posted by

himanshu.meshram

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