Pblock 4 Flashcards
1
Q
XeF4 hydrolysis
A
Xe + XeO3 + HF + O2
2
Q
XeF2 hydrolysis
A
XeF2 + H2O—–> Xe + HF + O2
3
Q
XeF6 hydrolysis
A
XeF6 + H2O —–> XeO3 + HF
4
Q
XeF6 partial hydrolysis
A
XeF6 + H2O ——> XeOF4 + HF
XeF6 + H2O ——–> XeO2F2 + HF
5
Q
XeF2 prep
A
Xe(excess) + F2
6
Q
XeF4 prep
A
Xe + F2 (1:5 ratio)
7
Q
XeF6 prep
A
Xe + F2 (1:20 ratio)
8
Q
XeF6 from XEF4
A
XeF4 + O2F2 ——> XeF6 + O2
9
Q
The only compound of Bi in +5 state
A
BiF5
10
Q
Catalyst in Haber’s process
A
FeO along with K2O and Al2O3
11
Q
SO2 acts as bleaching agent in
A
moist conditions
12
Q
Which is thermodynamically more stable, O3 or O2
A
O2
O3—–O2 + O is preferred due to high -ve deltaG value due to -ve deltaH value and +ve deltaS value
13
Q
Stability of oxoacids of Cl
A
HClO4>HClO3>HClO2>HClO
14
Q
Brown ring test eq
A
Fe2+ + NO3- —–> Fe3+ + NO
NO + [Fe(H2O6)]+ ———> [Fe(H2O)5NO}2+ + H2O
