1. Elements in Group 6A most commonly have an oxidation state of −2. a. True b....

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1. Elements in Group 6A most commonly have an oxidation state of −2. a. True b....

1. Elements in Group 6A most commonly have an oxidation state of −2.

a. True

b. False

2. What is the noble gas core for Cu?

a. He

b. Kr

c. Xe

d. Rn

e. Ar

f. Ne

3. What will be the geometry of [CoCl₂(NH₃)₄]?

a. Square planar

b. Linear

c. Octahedral

d. Tetrahedral

e. Trigonal Bipyramid

4. What is the coordination number of Pt in [Pt(NH₃)₄]Cl₂?

a. 4

b. 3

c. 5

d. 1

e. 0

f. 2

g.6

5. Which statement is true about coordination compounds?

a. The metal ion acts as a Lewis base.

b. CO₂ is a coordination compound.

c. Metal oxide salts are coordination compounds.

d. The metal ion donates a pair of electrons to the ligand.

e. The sharing of the electrons donated by the ligand forms a coordinate covalent bond to the metal.

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