Question

Q67-69
Given the following information
to
A (g) ; A2" (g) +3e
AH, = 1400 kJ mol 1
A(g) ----- ;A2+ (aq) + 2e AH, = 700 kJ mol
AH [A (9)]=-350 kJ mol
of a
where AHeg is electron gain enthalpy.
v in
the
(IE, +IE,) for A(g) 950 kj mol 1
67. The value of AHeg of A2 (g) in kJ mol 1 is
(a) +600
(b)-600
(c)-500
(d) +500
68. The value of IE, of A in kJ mol is
(a) +450
(b) +350
(c) +600
(d) +250
69. The hydration of A2 (g) in kJ mol is
(a) +250
(b)-350
(c)-250
(d)-300

Answer 1

Explanation:

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