Charcoal cavity test is performed with CuSO4 by using anhydrous Na2CO3, The following change occurs.CuSO4+Na2CO3→HeatA+BA→HeatQ+XQ+C(Carbon ofthe charcoalcavity)→Y+ZGiven that:[(i) X- turns lime water milky and contains π bonds are ofpπ−pπ character onlyii) Z- burns with blue flame][GAW: Cu = 63.5; C = 12; O = 16; S = 32, Na = 23]Answer the following questions:

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Charcoal cavity test is performed with $C u S O_{4}$ by using anhydrous $N a_{2} C O_{3}$ ,
The following change occurs.
$C u S O_{4} + N a_{2} C O_{3} \overset{H e a t}{\to} A + B$
$A \overset{H e a t}{\to} Q + X$
$Q + \underset{(\begin{array}{l} C a r b o n o f \\ t h e c h a r c o a l \\ c a v i t y \end{array})}{C} \to Y + Z$
Given that:
[(i) X- turns lime water milky and contains $π$ bonds are of $p π - p π$ character only
ii) Z- burns with blue flame]
[GAW: Cu = 63.5; C = 12; O = 16; S = 32, Na = 23]
Answer the following questions:

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