1. Instantaneous dipoles arise in the halogens X2 due to? Select one: a. low boiling point b. low atomic radii c. greate

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1.
Instantaneous dipoles arise in the halogens
X2 due to?
Select one:
a. low boiling point
b. low atomic radii
c. greater number of electrons
d. high melting point
2.
Using the data in the Table below, suggest which of the
following transition metal ions would oxidise water with the
evolution of oxygen gas.
Reduction half equation
Eº / V
Co3+(aq) +
e- ⇌ Co2+(aq)
+1.82
Zn2+(aq) +
2e- Zn(s)
-0.76
Ti2+(aq) +
2e- ⇌Ti(s)
-1.63
Cu+(aq) +
e- ⇌ Cu(s)
+0.52
1/2O2(g) +
2H+(aq) +2e- ⇌ H2O(l)
+1.23
Select one:
a. Co3+
b. Cu+
c. Ti2+
d. Zn2+