Q→A Q→B A+B→Q A→C B→E C+E→Q C→D E→F D+F→Q 22/09/2021 Bởi aikhanh Q→A Q→B A+B→Q A→C B→E C+E→Q C→D E→F D+F→Q
Q: $NaCl$ A: $Na$ B: $Cl_2$ C: $Na_2O$ E: $HCl$ D: $NaOH$ F: $CuCl_2$ PTHH: $2NaCl\buildrel{{đpnc}}\over\to 2Na+Cl_2$ $2Na+Cl_2\to 2NaCl$ $4Na+O_2\to 2Na_2O$ $Cl_2+H_2\buildrel{{t^o}}\over\to 2HCl$ $Na_2O+2HCl\to 2NaCl+H_2O$ $Na_2O+H_2O\to 2NaOH$ $CuO+2HCl\to CuCl_2+H_2O$ $2NaOH+CuCl_2\to 2NaCl+Cu(OH)_2$ Bình luận
Q: $NaCl$
A: $Na$
B: $Cl_2$
C: $Na_2O$
E: $HCl$
D: $NaOH$
F: $CuCl_2$
PTHH:
$2NaCl\buildrel{{đpnc}}\over\to 2Na+Cl_2$
$2Na+Cl_2\to 2NaCl$
$4Na+O_2\to 2Na_2O$
$Cl_2+H_2\buildrel{{t^o}}\over\to 2HCl$
$Na_2O+2HCl\to 2NaCl+H_2O$
$Na_2O+H_2O\to 2NaOH$
$CuO+2HCl\to CuCl_2+H_2O$
$2NaOH+CuCl_2\to 2NaCl+Cu(OH)_2$