Chemistry: Write the equations that represent the first and second ionization steps for hydroselenic acid (h2se) in water. (use h3o+ instead of h+.) first ionization step:

I believe you would just put a 2 in front of NH3 and keep the other ones as 1...

Write the equations that represent the first and second

QANDA660

14.03.2022

The equations are

1) $H_{2}Se+H_{2}O-- H_{3}O^{+}+HSe^{-}$

2) $HSe^{-} +H_{2}O-- H_{3}O^{+}+Se^{-2}$

Explanation:

There are two ionization steps in the dissociation of hydroselenic acid.

In first dissociation the H₂Se loses one proton and forms hydrogen selenide ion as shown below:

$H_{2}Se+H_{2}O-- H_{3}O^{+}+HSe^{-}$

The next step is again removal of a proton from the base formed above.

$HSe^{-} +H_{2}O-- H_{3}O^{+}+Se^{-2}$

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