Please explain your answer. 1 Among the three elements of group VIB: Cr, Mo andW, the similarity between Mo and W is greater thanthe similarity between them and Cr. This is due to ()A inert pair effectOB penetration effectC shielding effectOD lanthanide contraction2Among the following species, the one with theweakest reducibility is ()O A Cr²+OB Cr³+OC Cr(OH)3OD [Cr(OH)4]3 Among the following reagent, which one cancompletely dissolve Cu(OH)2 ()?O A Dilute NaOH(aq)B Na₂S (aq)OC Concentrated NH3(aq)OD K₂CO3(aq)4Among the following ions, which is unstable inaqueous solution ()?O A Cu²+OB CutOC Ag+OD Hg₂²+5 Which of the following ions reacts with excess Klonly to produce a clear and colorless solution ()?A Cu²+B Fe³+OCHg2+OD Hg22+

Cr, Mo and W all belong as the elements of Group VIB. Hence, the physical and chemical properties of…

1 Among the three elements of group VIB: Cr, Mo and W, the similarity between Mo and W is greater than the similarity between them and Cr. This is due to () A inert pair effect OB penetration effect OC shielding effect OD lanthanide contraction 2 Among the following species, the one with the weakest reducibility is () A Cr²+ B Cr³+ C Cr(OH)3 D [Cr(OH)4

1 Among the three elements of group VIB: Cr, Mo and W, the similarity between Mo and W is greater than the similarity between them and Cr. This is due to () A inert pair effect OB penetration effect OC shielding effect OD lanthanide contraction 2 Among the following species, the one with the weakest reducibility is () A Cr²+ B Cr³+ C Cr(OH)3 D [Cr(OH)4

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section: Chapter Questions

Problem 125QRT: Two different compounds are known with the formula Pd(py)2Cl2, but there is only one compound with...

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