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Which of the following statement is/are correct?
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Correct option is A
Statement (a) is wrong.Cu(Z=29),3d10,4s1Cu⊕( cuprous )=3d104s0Cu2+( cupric )=3d94s0(one unpaired electron and hence is coloured)Talk to our academic expert!
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Among the following elements how many of them are inner transition elements?
a. Sg b. Bk c. Er d. Em e. Fe f. Pb g. Cr h. Ca i. Ar j. Zn k. Ce
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