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Q.
The compound used for the preparation of $UF_6$ in the enrichment of ${}_{92}U^{235}$ is
Haryana PMTHaryana PMT 2005The p-Block Elements - Part2
Solution:
Interhalogen compound $CIF_3$ is used to convert uranium into $UF_6$.
$ U(s) + 3ClF_3(l) \rightarrow UF_6(g) + 3ClF(g)$
$ UF_6(g)$ is used for enrichment of $U^{235}$.