Which of the following,on reaction with water | vedclass

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Question

(D) $BaO$,$CaO$,and $Na_2O$ are metal oxides which are basic in nature. When they react with water,they form metal hydroxides,resulting in a $pH > 7$.

Vedclass · Accepted Answer

$P_2O_5$

Vedclass · Answer

(D) $BaO$,$CaO$,and $Na_2O$ are metal oxides which are basic in nature. When they react with water,they form metal hydroxides,resulting in a $pH > 7$.$P_2O_5$ is a non-metal oxide which is acidic in nature. When it reacts with water,it forms phosphoric acid $(H_3PO_4)$:$P_2O_5 + 3H_2O \rightarrow 2H_3PO_4$Since $H_3PO_4$ is an acid,the resulting solution will have a $pH < 7$.

Which of the following,on reaction with water,will have a $pH$ less than $7$?

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