Ekvivalent
1. Alyuminiy o‘z
birikmalarida uch valentli, uning ekvivalenti qanday bo’ladi?
Quyidagi elementlarni ekvivalentini toping.
Fe(III), Ca, O, S(VI), S(IV), Na, Mn(IV), P(V), Cu(I), Cu(II), Zn, Ag, Au, Hg(II)
2. Al2O3
ni ekvivalentini hisoblang
Quyidagi oksidlarni ekvivalentini toping.
Cl2O3; Cl2O5; Cl2O7; As2O3; Br2O; Br2O3; Br2O5; Br2O7; MnO; Mn2O3; MnO2; Mn2O5; Mn2O7; FeO; Fe2O3; Cr2O3; CrO3; Li2O; Na2O; MgO; K2O
3. H2SO4 ning ekvivalenti qanday bo‘ladi?
Quyidagi kislotalarni ekvivalentini toping.
H3BO3, HBrO4, HNO2, HBrO3, H3AsO4, H3PO4, HClO3, H2SO4, HClO, HClO2, H2SO3, HClO4, H3PO3, HBrO, HNO3, HBrO3, H2CO3; HMnO4, H2Cr2O7, HCl, H2S
4. Ca(OH)2 ning ekvivalenti qanday?
Quyidagi asoslarni ekvivalentini toping.
Ni(OH)2; CuOH; Cu(OH)2; Zn(OH)2; Sn(OH)2; Sn(OH)4; Pb(OH)2; Pb(OH)4; Cr(OH)3; Cr(OH)2; Mn(OH)2; Mn(OH)3; Fe(OH)2; Fe(OH)3; Mg(OH)2; Al(OH)3; KOH; Ca(OH)2; RbOH; NaOH; KOH; Ba(OH)2;
5. Na2SO4 ning ekvivalenti qanday?
Quyidagi tuzlarni ekvivalentini toping.
MnCl2; CrCl2; CrSO4; Cr2(SO4)3; FeSO4; Fe2(SO4)3; BaSO4; NaNO3; KNO3; Mg(NO3)2;
Na2CO3; K2CO3; MgCO3; MgSO3; CaSO3; Al2(SO3)2; Na3PO4; K3PO4; Mg3(PO4)2; Mg(ClO4)2; Ca(ClO4)2
