i was reading a safety guide book and it asked one of the following questions.
Which of the following safety precautions is necessary for the 'Preparation of a Complex Iron Salt' experiment?
A. 3% H2O2 is a mild oxidizing agent avoid contact with the skin.
B. Oxalate compounds are easily absorbed through the skin and toxic to kidneys use gloves while handling.
C. Ethanol is flammable avoid ignition sources.
D. Sulfuric and oxalic acids can cause burns use gloves while handling.
E. All of these precautions are necessary.
https://eee.uci.edu/programs/gchem/05MANanalysisfe.pdf
I am wondering if you read the experiment. You are dealing with oxalate compounds, permanganate compounds, ethanol, acetone, and concentrated sulfuric acids.
To determine which safety precautions are necessary for the 'Preparation of a Complex Iron Salt' experiment, we need to carefully analyze each option and consider the potential hazards associated with the chemicals mentioned.
A. 3% H2O2 is a mild oxidizing agent avoid contact with the skin.
This precaution is important because hydrogen peroxide can release oxygen and cause skin irritation or burns. It is essential to avoid direct contact with the skin.
B. Oxalate compounds are easily absorbed through the skin and toxic to kidneys use gloves while handling.
This precaution is necessary since oxalate compounds can be absorbed through the skin and have toxic effects, particularly on the kidneys. Therefore, gloves should be worn while handling them.
C. Ethanol is flammable avoid ignition sources.
Ethanol is a highly flammable substance, so it is crucial to avoid any potential ignition sources like open flames, sparks, or electrical equipment that may generate sparks. This precaution minimizes the risk of fire or explosion.
D. Sulfuric and oxalic acids can cause burns use gloves while handling.
Sulfuric and oxalic acids are corrosive substances that can cause severe burns when they come into contact with the skin. Gloves should be worn while handling these acids to protect the hands from chemical burns.
Considering the hazards associated with each option, it is clear that all the mentioned precautions are necessary for the safe preparation of a complex iron salt experiment. Therefore, the correct answer is E. All of these precautions are necessary.