The complex Cu(NH3)4²+ has a deep blue color. Since it is a typical complex, which of the following statements would be expected to be true? 1. The charge of Cu is +2. 2. The blue color is due to unpaired d electrons of Cu. 3. The coordination number of Cu is 2. 4. The insoluble salt CuS (s) is expected to be more soluble in NH3 (aq) than in pure water. (See picture below.) NH3 Cus

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Options A) 2 and 4 only B) 1, 2, and 4 only C) 1 and 2 only D) 1, 2, 3, and 4 are all true E) 1, 3, and 4 only
The complex Cu(NH3)4²+ has a deep
blue color. Since it is a typical
complex, which of the following
statements would be expected to be
true?
1. The charge of Cu is +2.
2. The blue color is due to
unpaired d electrons of Cu.
3. The coordination number
of Cu is 2.
4. The insoluble salt CuS (s) is
expected to be more soluble
in NH3 (aq) than in pure
water. (See picture below.)
NH3
Cus
Transcribed Image Text:The complex Cu(NH3)4²+ has a deep blue color. Since it is a typical complex, which of the following statements would be expected to be true? 1. The charge of Cu is +2. 2. The blue color is due to unpaired d electrons of Cu. 3. The coordination number of Cu is 2. 4. The insoluble salt CuS (s) is expected to be more soluble in NH3 (aq) than in pure water. (See picture below.) NH3 Cus
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