1.

Consider the following statements. (i) d-block elements composed of 3d series, Sc to Zn (4th period). (ii) 4d series composed of Y to Cd. (iii) 5d series composed of La, Hf to Mercury. (iv) d-block elements composed of 4d series Y to Cd. Which of the above statements is/ are incorrect.

Answer»

i and iv
i, II and ii
iii and iv
iv only

Solution :i, ii and ii


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