સોડિયમ ઓક્સાઇડ $(p{H_1})$, સોડિયમ સલ્ફાઇડ $(p{H_2})$, સોડિયમ સેલેનાઇડ $(p{H_3})$ અને સોડિચમ ટેલ્યુરાઇડ $(p{H_4})$ ના સમમોલર દ્રાવણોની $pH $ વચ્ચેનો સાચો સંબંધ ........ છે.
AIPMT 2005, Diffcult
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d (d) Order of acidic strength is
${H_2}Te > {H_2}Se > {H_2}S > {H_2}O$
$N{a_2}O$ is a salt of $NaOH + {H_2}O$and ${H_2}O$ is least acidic among given acidshence $pH$ in this case will be ${\max ^m}$.
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