Question

Question #8fa5f

Answer 1

A hydroxide ion is an anion composed of one hydrogen and one oxygen atom and has an overall charge of `1^-`. Its formula is `["OH"]^(-)`. When combined with metals, it forms compounds with a basic pH.

Explanation:

Reaction with alkali metals.

The hydroxide ion combines with alkali metal cations to form basic compounds, such as sodium hydroxide `("NaOH")`.

When sodium metal is reacted with water, the result is sodium hydroxide, which is a base and hydrogen gas. The hydrogen gas and the hydroxide ion come from the water.

`"2Na(s) + 2H"_2"O(l)"` `rarr` `"2NaOH(aq) + H"_2"(g)"`

In the video below, the solution turns pink when the pH is basic.

Answer 2

hydroxide ion is an anion with chemical formula `OH^(-)` . it is negatively charges with a charge of `-1` . It is a strong base