Question Number 211819 by Spillover last updated on 22/Sep/24
Answered by TonyCWX08 last updated on 22/Sep/24
$${i}. \\ $$$${Benzene}\:{can}\:{be}\:{prepared}\:{from}\:{Phenol}\:{through}\:{reduction}. \\ $$$${Vapour}\:{of}\:{Phenol}\:{passes}\:{over}\:{heated}\:{Zinc}\:{Dust}. \\ $$$${Zinc}\:{Dust}\:{will}\:{reduces}\:{them}\:{into}\:{Benzene} \\ $$$$ \\ $$$${ii}. \\ $$$${Benzene}\:{can}\:{be}\:{prepared}\:{from}\:{Benzenesulphonic}\:{acid}\:{through}\:{hydrolysis}. \\ $$$${Benzenesulphonic}\:{Acid}\:{is}\:{exposed}\:{to}\:{superheated}\:{steam}\:{leading}\:{to}\:{the}\:{formation}\:{of}\:{Benzene}. \\ $$$$ \\ $$$${iii}. \\ $$$${Benzene}\:{can}\:{be}\:{prepared}\:{from}\:{Ethyne}\:{through}\:{process}\:{of}\:{cyclic}\:{polymerization}. \\ $$$${Ethyne}\:{is}\:{passed}\:{through}\:{a}\:{red}−{hot}\:{iron}\:{at}\:\mathrm{873}{K}. \\ $$$${Ethyne}\:{Molecules}\:{then}\:{undergoes}\:{cyclic}\:{polymerization}\:{to}\:{form}\:{Benzene} \\ $$$$ \\ $$$${iv}.{Two}\:{ways}: \\ $$$${a}.\:{Sodium}\:{benzoate}\:{is}\:{heated}\:{with}\:{a}\:{mixture}\:{of}\:{Sodium}\:{Hydroxide}\:{and}\:{Calcium}\:{Oxide}\:{to}\:{form}\:{Benzene}. \\ $$$${b}.\:{Sodium}\:{benzoate}\:{is}\:{heated}\:{with}\:{Anhydrous}\:{Ferric}\:{Chloride}\:{to}\:{form}\:{Benzene}. \\ $$$$ \\ $$$${v}.\: \\ $$$${Firstly},\:{Oxidize}\:{Toluene}\:{with}\:{Hot}\:{Potassium}\:{Manganate}\:{solution}\:{and}\:{then}\:{react}\:{with}\:{Sodium}\:{Hydroxide}\:{or}\:{Calcium}\:{Oxide}. \\ $$
Commented by Spillover last updated on 22/Sep/24
$${correct} \\ $$
Answered by Spillover last updated on 22/Sep/24
