NEET Chemistry Redox Reactions Questions Solved


The equivalent mass of H3PO4 in the following reaction is,

H3PO+ Ca(OH)2 CaHPO4 + 2H2O

(a) 98

(b) 49

(c) 32.66

(d) 40

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(b) Equivalent  mass = molar mass / basicity 

M/2=98/2=49;

Basicity =2; Only two H are replaced

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