Q1. Draw the structure of p-nitroacetanilide?
Q2. What is the chemical formula of p-nitroacetanilide?
Answer: The chemical formula of p-nitroacetanilide is C8H8N2O3.
Q3. What is the IUPAC name of p-nitroacetanilide?
Answer: The IUPAC name of p-nitroacetanilide is N-(4-nitrophenyl)acetamide.
Q4. How will you synthesise p-nitroacetanilide?
Q5. What is a nitrating mixture?
Answer: Nitrating mixture is the solution of concentrated nitric acid and sulphuric acid.
Q6. How will you separate the mixture of o-nitroacetanilide and p-nitroacetanilide?
Answer: We can separate the mixture of o-nitroacetanilide and p-nitroacetanilide by dissolving it in ethanol. o-nitroacetanilide is more soluble in ethanol than p-nitroacetanilide. Thus o-nitroacetanilide remains in the mother liquor, and we can separate p-nitroacetanilide by crystallisation.
Q7. Why is the major product formed is para directing?
Answer: The major product formed is para directing because the reaction is an electrophilic substitution reaction, and the nitronium ion formed is ortho and para directing. There is a steric hindrance at the orthocentre. Thus, the major product formed is para directing.
Q8. What is the colour of p-nitroacetanilide?
Answer: p-nitroacetanilide is colourless.
Q9. What is p-nitroacetanilide?
Answer: p-nitroacetanilide or 4-nitroacetanilide is a chemical compound that is a nitro derivative of acetanilide. It is synthesised from the reaction between acetanilide and nitrating mixture.
Q10. What are the applications of p-nitroacetanilide?
Answer: p-nitroacetanilide is used in pharmaceuticals to prepare paracetamol and phenacetin. It is also used as an intermediate for preparing dyes, antioxidants and gasoline.
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