Which gives red colour in the reaction?

Hint : The presence of Nitrogen and Sulphur in the organic compound will result in reaction to form thiocyanate in the Lassaigne test. This product formed on heating with FeSO4 or FeCl3 gives out a complex which has red colour. Thus, the solution is turned red.

What is the colour of nitrolic acid?

blood-red color
RC(NOH)−NO2 is called nitrolic acid and is responsible for blood-red color.

What chemicals make red?

Ions in flame

What gives NaOH red color?

NOH ||R-C-NO2 is nitrolic acid and it gives red colour with NaOH.

Why does nitric acid have a yellow color?

If you keep it a long time in a clear glass bottle ( exposed to sunlight) it may turn orange (-brown). It is because it spontaneously decompose to nitrogen dioxide, water, and oxygen, creating the yellow-brownish color. It’s not a complete decomposition, but a bit of dissolved nitrogen dioxide will give the color.

Which is more toxic nitric acid or red fuming?

“NITRIC ACID, RED FUMING is a pale yellow to reddish brown liquid generating red-brown fumes and having a suffocating odor. Very toxic by inhalation.”. But remember, Fuming Nitric acid is Ionized and as such must contain a proton Donor to become ionized and thus able to react.

What kind of odor does nitric acid have?

“NITRIC ACID, RED FUMING is a pale yellow to reddish brown liquid generating red-brown fumes and having a suffocating odor. Very toxic by inhalation.” But remember, Fuming Nitric acid is… Loading… Nitric acid (HNO3).

How is ethyl nitrolic acid prepared from silver?

Ethyl Nitrolate salt of silver has been prepared by partial nitration of acetone using moderately concentrated “red fuming” nitric acid, then neutralization with silver carbonate. Ethyl nitrolic acid forms bright red salts with bases. Ethyl nitrolic acid undergoes oxidative nitration with nitrogen dioxide to form 1,1,1-trinitro ethane.

https://www.youtube.com/watch?v=iX29OAqGEv8