Q. PCl_{3} and cold water reacts to produce which of the following ?

A) H_{3}PO_{3}
B) H_{3}PO_{2}
C) H_{4}P _{2}O_{7}
D) H_{3}PO_{4}
Explanation

(a)
PCl _{3} and cold water reacts to produce ortho phosphorus acid (phosphorus acid)H_{3}PO_{3}
PCl _{3}+3HOH⟶ H_{3}PO_{3}+3HCI

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.