MCQ
Major product of reaction :


- A

- B

- C

- ✓







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Reason : $NF_3$ ionizes to give $F^-$ ions in aqueous solution.
When $P$ is going to form $PF_5$, then these radial distances are going to become arbitrarily ____,____and ____ respectively
Codes: $ \quad P \quad Q \quad R \quad S $
$Z{n^{2 + }}\,(aq)\, + \,2e\, \rightleftharpoons \,Zn\,(s)\,;\, - \,0.762\,V$
$C{r^{3 + }}\,(aq)\, + \,3e\, \rightleftharpoons \,Cr(s)\,;\, - \,0.740\,\,V$
$2{H^ + }\,(aq)\, + \,2e\, \rightleftharpoons \,{H_2}(g)\,;\,\,\,0.00\,\,\,V$
$F{e^{3 + }}\,(aq)\, + \,e\, \rightleftharpoons \,F{e^{2 + }}(aq)\,;\,\,\,0.770\,\,\,V$
Which is the strongest reducing agent ?