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(a) Classify followingoxides as neutral, acidic, basic oramphoteric CO, B_(2)O_(3), SiO_(2), CO_(2), Al_(2)O_(3), PbO_(2), Tl_(2)O_(3) (b) Write suitablechemcial equationsto show their nature.

Answer» <html><body><p></p>Solution :(a) Neutral oxides : CO : Acidic oxides : `B_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)O_(3), SiO_(2), CO_(2)` <br/> Amphoteric oxides : `Al_(2)O_(3), PbO_(2)` Basicoxide : `Tl_(2)O_(3)` <br/> (b) (i) Being acidic `B_(2)O_(3), SiO_(2)` and `CO_(2)` react with <a href="https://interviewquestions.tuteehub.com/tag/alkalis-853350" style="font-weight:bold;" target="_blank" title="Click to know more about ALKALIS">ALKALIS</a> to form salts. <br/> `<a href="https://interviewquestions.tuteehub.com/tag/underset-3243992" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERSET">UNDERSET</a>("<a href="https://interviewquestions.tuteehub.com/tag/anhydride-875713" style="font-weight:bold;" target="_blank" title="Click to know more about ANHYDRIDE">ANHYDRIDE</a>")underset("Boric")(B_(2)O_(3)) + 2NaOH rarr underset("Sod. metaborate")(2NaBO_(2) + H_(2)O) , underset("Silica")(SiO_(2))+2NaOH overset(Delta)rarrunderset(" Sod. silicates ")(Na_(2)SiO_(3))+H_(2)O` <br/> `underset(" Carbon dioxide ")(CO_(2)) + 2NaOH rarr underset(" Sod. carbonate ")(Na_(2)CO) + H_(2)O` <br/> (ii) Being amphoteric, `Al_(2)O_(3)` and `PbO_(2)` reactwith bothacidsand bases. <br/>`underset("Alumina")(Al_(2)O_(3)) + 2NaOHoverset("Fuse")rarr underset(" Sod. meta-aluminate ")(NaAlO_(2)) + H_(2)O, Al_(2)O_(3) + 3H_(2)SO_(4) rarr Al_(2)(SO_(4))_(3) + 3H_(2)O` <br/> `underset(" Lead dioxide ")(PbO_(2)) + 2NaOH rarr underset(" Sod. plumbate ")(Na_(2)PbO_(3)) + H_(2)O , 2PbO_(2) + 2H_(2)SO_(4) rarr 2PbSO_(4) +2H_(2)O + O_(2)` <br/> (<a href="https://interviewquestions.tuteehub.com/tag/iii-497983" style="font-weight:bold;" target="_blank" title="Click to know more about III">III</a>) Beingbasic, `Tl_(2)O_(3)` dissolvesin acids. <br/> `Tl_(2)O_(3) + 6 HCl rarr 2TlCl_(3) + 3H_(2)O`.</body></html>


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