iodine is volatile in nature,in the presence of light iodine degraded & degradation of iodine disturb the experiment
Black/dark grey
Povidone iodine is a dark brown solution.
The colour of the iodine will turn from yellowish brown to dark blue
Iodine is a dark purpley-black solid at room temperature. It is purple in a hydrocarbon solvent. It is yellowish-brown in water.
reddish-brown * the color of glycogen solution with drops of NaCl and Iodine solution is Dark Orange. :) *NaCl will intensify the colour as it fulfills the optimum ionic requirement of the reaction
The color of solid iodine is a dark purple.
Iodine is a dark purple color
Black/dark grey
Povidone iodine is a dark brown solution.
It is a violet-dark grey As a gas iodine is violet, as solid is very brown. The color in solutions depends on the solvent - the ethanolic solution is brown. The melted iodine is also brown.
An iodine solution is typically dark brown or reddish-brown in color.
The positive color for the iodine test is a dark blue or black color. This color change indicates the presence of starch in the test substance.
Iodine turns blue-black in color in the presence of starch.
dark blue - purple
Iodine doesn't exist in nature in elemental form.
An iodine solution is typically a dark brown or purple color.
The presence of starch is indicated by a blue-black color when iodine solution is added.