Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

231) Coordination compounds have great importance in biological systems. In this context, which of the following statements is incorrect?

Answer is:

Chlorophyll is a green pigment in plants and contains calcium

Explanation:

Chlorophyll contains Mg.

232) Nickel (Z = 28) combines with a uninegative monodentate ligand X⁻ to form a paramagnetic complex [NiX₄]²⁻. The number of unpaired electrons in Ni and the geometry of this complex ion is:

Answer is:

2, tetrahedral

233) How many EDTA molecules are required to make an octahedral complex with a Ca²⁺ ion?

Answer is:

1

234) The spin only magentic moment of Ni²⁺ in aqueous solution would be:

Answer is:

2.84

235) The coordination number and oxidation state of element E in the complex [E(en)₂(C₂O₄)]NO₂ are respectively:

Answer is:

6 and 3

44
45
46
47
48
49
50