(A) Phosphorus pentachloride $(PCl_{5})$ on hydrolysis gives phosphoric acid $(H_{3}PO_{4})$,which is a tribasic acid.$PCl_{5} + 4H_{2}O \longrightarr

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on hydrolysis gives an oxo-acid of phosphorus which is tribasic

(A) Phosphorus pentachloride $(PCl_{5})$ on hydrolysis gives phosphoric acid $(H_{3}PO_{4})$,which is a tribasic acid.$PCl_{5} + 4H_{2}O \longrightarrow H_{3}PO_{4} + 5HCl$In $H_{3}PO_{4}$,there are three $P-OH$ groups,making it tribasic.

Class 12 Chemistry p-Block Elements (Class 12)Nitrogen family

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Phosphorus pentachloride $(PCl_{5})$:

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A
on hydrolysis gives an oxo-acid of phosphorus which is tribasic
B
on hydrolysis gives an oxo-acid of phosphorus which is a good reducing agent
C
has all the five equivalent bonds
D
exists as an ionic solid in which cation has octahedral structure and anion has tetrahedral structure