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Predict the maximum oxidation state and the most stable secondary oxidation state

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Predict the maximum oxidation state and the most stable secondary oxidation state for the following elements: i. Bi ii. W iii. Os;1- Max Ox St of Bi;2- Most stable sec Ox St of Bi;3- Max Ox St of W;4- Most stable sec Ox St of W;5- Max Ox St of Os;6- Most stable sec Ox St of Os;A. 1+;B. 2+;C. 3+;D. 4+;E. 5+;F. 6+;G. 7+;H. 8+;QUESTION 2;Slow addition of small amount of aqueous 2M NH3 to aqueous solution of Ni(NO3)2 (compound 1) yield a green precipitate (compound 2) which dissolved (compound 3) upon continued addition. Identify;1- compound 1;2- compound 2;3- compound 3;A. Ni2+;B. Ni(NO3)2;C. NiO;D. [Ni(H2O)6] 2+;E. [Ni(H2O)4(OH)2];F. [Ni(OH)4]2?;G. [Ni(NH3)6]2+

 

Paper#15590 | Written in 18-Jul-2015

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