Redox Reactions And Electrochemistry Question 508
Question: The equivalent weight of phosphoric acid $ (H_3PO_4) $ in the reaction $ NaOH+H_3PO_4\to NaH_2PO_4+H_2O $ is [AIIMS 1999]
Options:
25
49
59
98
Show Answer
Answer:
Correct Answer: D
Solution:
Molecular weight of $ H_3PO_4 $ is 98 and change in its valency = 3 equivalent wt. of $ H_3PO_4 $ $ =\frac{Molecular,weight}{Changeinvalency}=\frac{98}{3}=32.67 $ .
BETA
