Question

redox reaction of As----->h2Aso4^-. +AsH3​

Answer 1

the given reaction is incorrect!

redox reaction :- redox reaction is the type of reaction in which the chemical reaction in which the oxidation States of atoms are changed.

Example :- Cl_2 + H_2 -------> 2HCl

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Answer 2

=Answer:

this is a wrong equation because the given reaction is disproportionation reaction

Explanation:

in redox reactions, two different elements lose or gain electrons. But here, we can see that As(arsenic) is both losing electrons i.e, getting oxidized as well as gaining electrons i.e, getting reduced.

btw the disproportionation balancing will be,

8As + 12H20----> 3H2SO4(-)  + 5AsH3 + 3H(+)