JEE Main Chemistry question

In the modern process, phosphorus is manufactured by:

(A)Heating a mixture of phosphorite mineral with sand and coke in an electric furnaceCorrect
(B)Heating calcium phosphate with coke
(C)Heating bone-ash with coke
(D)Heating the phosphate mineral with sand

Answer: (A)

Solution

Ca_3(PO_4)_2+3SiO_2+5C\xrightarrow{electric furnace}3CaSiO_3+5CO+2P: all three reagents — phosphate rock, sand (silica) and coke — are

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Question ID VK-146268