MCQ
$X$ and $Y$ respectively are


- A

- B

- ✓

- D








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$HC \equiv CH\mathop {\xrightarrow{{NaN{H_2},C{H_3}COC{H_3}}}}\limits_{{H^ + }} X\mathop {\xrightarrow{{H{g^{2 + }},{H_3}{O^ + }}}}\limits_{{H_2}O} Z$ is
$(I)\, H_2S_2O_6$ $(II)\, H_2S_2O_3$ $(III)\,H_2S_2O_5$
$\to H-F = 565\, kJ/mol$
Calculate average bond energy of $Xe-F$ bond.....$ kJ/mol$