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sodium hypochlorite. Bleach is used as a disinfectant because of its ability to oxidize the cell membranes
of bacteria. It is also used to remove stains in clothing. The colors of many dyes and stains are due to the
presence of multiple (double and triple) bonds in organic molecules. The color of the dye or stain is due
to the ability of electrons in these multiple bonds to absorb and emit electromagnetic radiation in the
visible region of the electromagnetic spectrum. When sodium hypochlorite in bleach comes in contact
with these organic molecules, it oxidizes them, forming new products. The new products no longer have
multiple bonds, so the color of the dye or stain looks whiter.
The percent "available chlorine" is used to denote the strength of a bleaching agent. It is actually the ratio
of the mass of Cl2 to the mass of the bleach mixture expressed as a percentage, even if Cl2 is not actually
present in the bleach. If sodium hypochlorite is the bleaching agent in a bleach solution, the percent
"available chlorine" is determined using the following equation that shows how sodium hypochlorite can
be produced from chlorine and sodium hydroxide
sodium hypochlorite. Bleach is used as a disinfectant because of its ability to oxidize the cell membranes
of bacteria. It is also used to remove stains in clothing. The colors of many dyes and stains are due to the
presence of multiple (double and triple) bonds in organic molecules. The color of the dye or stain is due
to the ability of electrons in these multiple bonds to absorb and emit electromagnetic radiation in the
visible region of the electromagnetic spectrum. When sodium hypochlorite in bleach comes in contact
with these organic molecules, it oxidizes them, forming new products. The new products no longer have
multiple bonds, so the color of the dye or stain looks whiter.
The percent...