Question

A student was preparing chemistry project on the topic ‘Nickel content in different chocolates’. He first discussed the topic with his classmates but still was not satiesfied. Therefore he approached his teacher for some information on this and asked her certain questions.
(a) How will nickel be precipitated out?
(b) To which block of the periodic table does nickel belong? What is its atomic number?
(c) On the basis of valence bond theory, explain the geometry and hybridization of [NiCl₄]²⁻ and [Ni(CN)₄]²⁻.
(d) What are the values shown by that student?

Answer 1

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