Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
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Eduncle Best Answer
AsF5+2HF⇌ AsF6-+H2F+
PF5+2HF⇌ PF6-+H2F+
BF3+2HF⇌ BF4-+H2F+
BrF3+HF⇌ BrF2++HF2-
BrF3 act as base as it donate F- in HF