5 Группа Побочная

Question 1

V2O5+Ca=

Answer 1

V2O5+Ca= CaO+V (Nb, Ta)

Question 2

V+HNO3(конц)=

Answer 2

V+HNO3(конц)= [VO2]NO3+NO2+H2O

Question 3

V+HNO3+HCl=

Answer 3

V+HNO3+HCl= [VO2]Cl+NO+H2O

Question 4

V+HF=

Answer 4

V+HF= H[VF6]+H2

Question 5

Nb+HNO3+HF=

Answer 5

Nb+HNO3+HF= H2[NbF7]+NO2+H2O

Question 6

V+KOH(расплав)+O2=

Answer 6

V+KOH(расплав)+O2= K3VO4+H2O (Nb, Ta)

Question 7

V2O5+H2O=

Answer 7

V2O5+H2O= HVO3

Question 8

V2O5+NaOH=

Answer 8

V2O5+NaOH= NaVO3+H2O

Question 9

HVO3+HNO3(конц)=

Answer 9

HVO3+HNO3(конц)= [VO2]NO3+H2O