How many of the following show (s) disproportionation reaction?(a) XeF4+H2O⟶(b) XeF2+H2O⟶(c) Na2S2O3⋅5H2O⟶Δ(d) P4+NaOH+H2O⟶(e) F2+NaOH⟶(f) Cl2+ cold / dilute NaOH⟶(h) NO2+NaOH⟶[If your answer is 2 then write the answer as 0002.]

Following are the examples of disproportionation reaction,4H3PO3→ heat 3H3PO4+PH3Hg2Cl2→Hg+HgCl22HCO3−→CO32−+H2CO3P4+3NaOH+3H2O→3NaH2PO2+PH3Cl2+H2O→HCl+HClOThere are total 6 such reaction present in the given options.

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How many of the following show (s) disproportionation reaction?
(a) ${XeF}_{4} + H_{2} O ⟶$
(b) ${XeF}_{2} + H_{2} O ⟶$
(c) ${Na}_{2} S_{2} O_{3} \cdot 5 H_{2} O \overset{Δ}{⟶}$
(d) $P_{4} + NaOH + H_{2} O ⟶$
(e) $F_{2} + NaOH ⟶$
(f) ${Cl}_{2} + cold / dilute NaOH ⟶$
(h) ${NO}_{2} + NaOH ⟶$
[If your answer is 2 then write the answer as 0002.]

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answer is 6.

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Detailed Solution

Following are the examples of disproportionation reaction,

$\begin{array}{l} 4 H_{3} {PO}_{3} \overset{heat}{\to} 3 H_{3} {PO}_{4} + {PH}_{3} \\ {Hg}_{2} {Cl}_{2} \to Hg + {HgCl}_{2} \\ 2 {HCO}_{3}^{-} \to {CO}_{3}^{2 -} + H_{2} {CO}_{3} \\ P_{4} + 3 NaOH + 3 H_{2} O \to 3 {NaH}_{2} {PO}_{2} + {PH}_{3} \\ {Cl}_{2} + H_{2} O \to HCl + HClO \end{array}$