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Recent questions tagged telegram-59958

(chatquestion)...Consider the following statements for transition elements (1) Transition elements show variable oxidation states because energy difference between (n-1)d subshell and ns subshell is small (2) All the transition elements exhibit a minimum oxidation state of (+2) except in case of Cr, Cu, Ag, Au and Hg which have a minimum oxidation state of (+1) (3) (+2) oxidation state becomes more stable from left to right in 3d series (4) V2* and Cr2 salts are very weak reducing agents? Ofthese, the correct statements are (a) 1, 2 and 3 16. (b) 2, 3 and 4 (c) 1, 2 and 4 (d) 1, 3 and 4

asked Mar 19, 2020 by balaji.thirumalai

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