Questions
1
Replacement of diazo group by other groups is helpful in preparing those substituted aromatic compounds which cannot be prepared which type of reaction?
Answer:Direct substitution
2
What happens when benzene diazonium chloride is treated with potassium cyanide in presence of Cu powder?
Answer: Benzonitrile
3
By treating diazonium salts with cuprous cyanide or KCN and copper powder it forms which of the following compound?
Answer:Aryl nitrile
4
Benzene diazonium chloride forms orange red dye with which of the following compound?
Answer:Resorcinol
5
Which of the following is compound A for following sequence of reaction gave benzoic acid benzoic acid?
Answer:Aniline
6
In the series of reaction, what are X and Y are respectively?
Answer:C6H5N+2Cl–, C6H5NO2
7
Aniline in a set of reactions yielded a product D. The structure of product D would be
Answer:C6H5CH2OH
8
Azo dye is prepared by the coupling of phenol and which of the following compound?
Answer:Diazonium chloride
9
Identify the product in following order when 3,4,5-Tribromoaniline undergoes diazotisation followed by attack of H3PO2?
Answer:3, 4,5-Tribromobenzene
10
When diazonium salt solution is treated with KI, it forms which of the following compound?
Answer:Iodobenzene
