Question

In what way can it be proved that PH3 is basic in nature?

Answer 1

in a chemistry lab we can profile pic and I'll check it by Litmus Paper or methyl orange or pop ceiling on there are many other things other chemicals you can also check it at home by making turmeric powder China rose at etc

Answer 2

${\huge{\underline{\underline{\mathcal{\red{♡ANSWER♡}}}}}}$.

• ❤. ${PH3}$ reacts with acids like ${HI}$ to form ${PH4I}$ which shows that it is basic in nature.
• ❤. ${PH3 + HI ----> PH4I}$
• ❤. Due to lone pair on phosphorus atom,${PH3}$ is acting as a Lewis base in the above reation.