Google
Câu hỏi: Viết phương trình ion rút gọn của các phản ứng (nếu có) xảy ra trong dung dịch giữa các cặp chất sau ?
a) \(MgS{O_4} + NaN{O_3}\)
b) \(Pb{\left( {N{O_3}} \right)_2} + {H_2}S\)
c) \(Pb{\left( {OH} \right)_2} + NaOH\)
d) \(N{a_2}S{O_3} + {H_2}O\)
e) \(Cu{\left( {N{O_3}} \right)_2} + {H_2}O\)
g)\(Ca{\left( {HC{O_3}} \right)_2} + Ca{\left({OH} \right)_2}\)
h) \(N{a_2}S{O_3} + HCl\)
i) \(Ca{\left( {HC{O_3}} \right)_2} + HCl\)
a) \(MgS{O_4} + NaN{O_3}\)
b) \(Pb{\left( {N{O_3}} \right)_2} + {H_2}S\)
c) \(Pb{\left( {OH} \right)_2} + NaOH\)
d) \(N{a_2}S{O_3} + {H_2}O\)
e) \(Cu{\left( {N{O_3}} \right)_2} + {H_2}O\)
g)\(Ca{\left( {HC{O_3}} \right)_2} + Ca{\left({OH} \right)_2}\)
h) \(N{a_2}S{O_3} + HCl\)
i) \(Ca{\left( {HC{O_3}} \right)_2} + HCl\)
Lời giải chi tiết
a) Không phản ứng
b) \(P{b^{2 + }} + {H_2}S \to PbS + 2{H^ + }\)
c) \(Pb{\left( {OH} \right)_2} + 2O{H^ - } \to PbO_2^{2 - } + 2{H_2}O\)
d) $SO_3^{2 - } + {H_2}O \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} HSO_3^ - + O{H^ - }$
e) $C{u^{2 + }} + HOH \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} Cu{\left( {OH} \right)^ + } + {H^ + }$
g) $HCO_3^ - + O{H^ - } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} CO_3^{2 - } + {H_2}O$
h) $SO_3^{2 - } + 2{H^ + } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} S{O_2} \uparrow + {H_2}O$
i) $HCO_3^ - + {H^ + } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} C{O_2} \uparrow + {H_2}O$
a) Không phản ứng
b) \(P{b^{2 + }} + {H_2}S \to PbS + 2{H^ + }\)
c) \(Pb{\left( {OH} \right)_2} + 2O{H^ - } \to PbO_2^{2 - } + 2{H_2}O\)
d) $SO_3^{2 - } + {H_2}O \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} HSO_3^ - + O{H^ - }$
e) $C{u^{2 + }} + HOH \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} Cu{\left( {OH} \right)^ + } + {H^ + }$
g) $HCO_3^ - + O{H^ - } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} CO_3^{2 - } + {H_2}O$
h) $SO_3^{2 - } + 2{H^ + } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} S{O_2} \uparrow + {H_2}O$
i) $HCO_3^ - + {H^ + } \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} C{O_2} \uparrow + {H_2}O$