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\mathrm{UO}_2 reacts with \mathrm{HF} at a high temperature to give \mathrm{X} which on heating with fluorine gas produces a colourless solid \mathrm{Y}. \mathrm{Y} is a powerful fluorinating agent and easily hydrolyses in water. What is \mathrm{X} and \mathrm{Y} ?

Option: 1

\mathrm{X: U F_3 \, \, Y: U F_5}


Option: 2

\mathrm{X: U F_4 \, \, Y: U F_6}


Option: 3

X: \mathrm{UH}_3 \, \, \mathrm{Y}: \mathrm{UH}_6


Option: 4

\mathrm{X}: \mathrm{UH}_4 \, \, \mathrm{Y}: \mathrm{UH}_6


Answers (1)

best_answer

\mathrm{UO}_2+\mathrm{HF} \rightarrow \mathrm{UF}_4+\mathrm{F}_2 \rightarrow \mathrm{UF}_6 \text { ( white fluorinating agent) }

Posted by

Ajit Kumar Dubey

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