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6. What is meant by term 1,4-diamino in the name?
- 3 amine groups, 1,2 their position on the ring
- 1 amine groups, 1,4 their position on the ring
- 2 amine groups, 1,4 their position on the ring
- 2 amine groups, 1,3 their position on the ring
7. Sodium hydroxide was added, the phenylammonium chloride was converted to phenylamine, write an equation for this reaction?
- C6H4NH3+Cl– + NaOH ---> C6H5NH2 + H2O +NaCl
- C6H4NH3+Cl– + NaOH ----> C6H5NH2 + H2O +Na
- C6H4NH3+Cl– + NaOH ----> C6H5NH2 + H2O
8. What does the symbol [H] in the equation represent?
- Reducing agent
- Oxidising agent
- Reflux agent
- Reforming agent