The component of air that can be removed by alkaline pyrogallol solution is

The component of air that can be removed by alkaline pyrogallol solution is

Answer Details

Alkaline pyrogallol solution is commonly used to remove oxygen from a gas mixture. This is because pyrogallol can easily react with oxygen in the air to form a brown precipitate. Therefore, the component of air that can be removed by alkaline pyrogallol solution is oxygen.