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AIIMS 2014
Exam
AIIMS
Year
2014
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

AIIMS 2014 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Enrichment of U^ 235 is done by

Enrichment of U235\mathrm{U}^{235} is done by

Options

  1. AIF7\mathrm{IF}_7
  2. BClF3\mathrm{ClF}_3
  3. CIF5\mathrm{IF}_5
  4. DClF5\mathrm{ClF}_5

Correct answer

B. ClF3\mathrm{ClF}_3

Step-by-step solution

ClF3\mathrm{ClF}_3 and BrF3\mathrm{BrF}_3 are used for the production of UF6\mathrm{UF}_6 in the enrichment of U235\mathrm{U}^{235}. U(s)+3ClF3(l)⟶UF6(g)+3ClF(g)\mathrm{U}_{(s)}+3 \mathrm{ClF}_{3(l)} \longrightarrow \mathrm{UF}_{6(g)}+3 \mathrm{ClF}_{(g)}
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