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.]

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How many of the following show (s) disproportionation reaction?

(a) ${XeF}_{4} + H_{2} O ⟶$

(b) ${XeF}_{2} + H_{2} O ⟶$

(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,

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