Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Aldehydes, Ketones and Carboxylic Acids

Question:

Which of the following is a toxic ketone? 

Options:

Butanone 

Acetone 

methyl ethyl ether

Methyl vinyl ketone 

Correct Answer:

Methyl vinyl ketone 

Explanation:

It is very difficult to predict the toxicity of such a broad class of compounds. Simple ketones in general are not highly toxic. But unsaturated ketone such as methyl vinyl ketone which has an LD50 (Median Lethal dose )of 7mg/kg (oral) can be said to be toxic.