Question

The compound used for the preparation of $UF_6$ in the enrichment of ${92}_U^{235}$ is

• A. $AlF_3$
• B. $CaF_2$
• C. $HF$
• D. $ClF_3$

Answer 1

Answer: (D)

$ClF_3$

Answer 2

Interhalogen compound $CIF_3$ is used to convert uranium into $UF_6$. ${ U(s) + 3ClF_3(l) -> UF_6(g) + 3ClF(g)}$ $UF_6(g)$ is used for enrichment of $U^{235}$.