Question

The compound used for the preparation of $U{F}_6$ in the enrichment of ${}_{92}{U}^{235}$ is

• A. $Al{F}_3$
• B. $Ca{F}_2$
• C. $HF$
• D. $Cl{F}_3$

Answer 1

Answer: (D)

Interhalogen compound $CI{F}_3$ is used to convert uranium into $U{F}_6$.
$U(s)+3Cl{F}_3(l)\to U{F}_6(g)+3ClF(g)$
$U{F}_6(g)$ is used for enrichment of $U^{235}$.