Adarsh Mishra posted an Question
November 07, 2020 • 23:14 pm 30 points
  • IIT JAM
  • Chemistry (CY)

(c) mt (d) m the electronic configuration of four elements are (d[kr]5s' consider the following statements )i shows variable oxidation state ii) the compound fo

(C) MT (d) M The electronic configuration of four elements are (D[Kr]5s' Consider the following statements )I shows variable oxidation state ii) The compound formed between 1 and III are purely covalent (iv) IV shows single oxidation state Which statement is true (T) or false (F) (a) FTFF (ID [Rn]5f6d 7s (IID) [Ar]3d4s4p TV) [Ar]3d*4s () Il is d block element (b) FTFT (C) FFTF (d) FFFF nt mnSL Ee

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    Dinesh khalmaniya 1 Best Answer

    option D Explanation- ANSWER (I) [Kr]5s1, shows only single oxidation state +1 (II)[Rn]5f146d17s2, it is f-block element (Z=103) (III)The compound formed between I and Ill is ionic. (IV)[Ar]3d64s2, (Z=26) Fe shows variable oxidation state. thus, D is the correct answer.

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