3 Группа Flashcards
1
Q
H3BO3= (t)
A
H3BO3= B2O3+H2O
2
Q
B2O3+Mg=
A
B2O3+Mg= MgO+B
3
Q
B+H2O= (800°)
A
B+H2O= B2O3+H2
4
Q
B+Cl2=
A
B+Cl2= BCl3 (все галогены)
5
Q
B+O2=
A
B+O2= B2O3
6
Q
B+N2= (1200°)
A
B+N2= BN
7
Q
B+HNO3(конц)= (t)
A
B+HNO3(конц)= H3BO3+NO2
8
Q
BCl3+Li[AlH4]=
A
BCl3+Li[AlH4]= B2H6+LiCl+AlCl3
9
Q
BF3+NaH= (175°)
A
BF3+NaH= B2H6+NaF
10
Q
B2H6+O2=
A
B2H6+O2= B2O3+H2O
11
Q
B2H6+H2O=
A
B2H6+H2O= H3BO3+H2
12
Q
B2H6+NaH=
A
B2H6+NaH= Na[BH4]
13
Q
Na[BH4]+H2O=
A
Na[BH4]+H2O= H2+H3BO3+NaOH
14
Q
B2O3+CaF2+H2SO4(конц)=
A
B2O3+CaF2+H2SO4(конц)= BF3+CaSO4+H2O
15
Q
BCl3+H2O=
A
BCl3+H2O= H3BO3+HCl
16
Q
BF3+H2O=
A
BF3+H2O= H3BO3+H[BF4]
17
Q
BF3+NaOH(конц)=
A
BF3+NaOH(конц)= Na2B4O7+Na[BF4]+H2O
18
Q
H3BO3+NaOH=
A
H3BO3+NaOH= Na2B4O7+H2O
19
Q
Na2B4O7+H2SO4+H2O=
A
Na2B4O7+H2SO4+H2O=H3BO3+Na2SO4
20
Q
B2O3+NH3= (600°)
A
B2O3+NH3= BN+H2O