zinc does not show variable valency because

9.7k VIEWS. Valency may also be defined as the number of electrons that an atom donates or accepts to form the duplet state (i.e., 2 electrons in outermost shell) or octet state (i.e., 8 electrons in outermost shell). Which element does not show a valency of 2 2:50 10.1k LIKES. Evidence suggests that if zinc lozenges or syrup is taken within 24 hours after cold symptoms start, the supplement can help shorten the length of colds. For elements that do not combine with hydrogen, the valency is the combining power of the element with another element whose valency is known. Indicate 'principal' and ' secondary' valancies of central metal ion in the following complexes: ... Zinc does not show variable valency like d-block elements because. Explain. Zinc is the 30the element in the periodic table. MEDIUM. Which of the following can show variable valency ? Fe is transition metal and belongs to d-block in periodic table, they have variable oxidation state, the most common oxidation state of Fe is + 2 and + 3 . Solution : Zinc contains completely filled d-orbitals and exhibit stable electronic configuration, therefore it does not easily lose their electrons and hence, does not exhibit variable valency. 1:28 3.1k LIKES. Thus mercurous ion exists as Hg 2 2+ and not as Hg + (iii) Their melting and boiling points are very low. Zinc does not show variable valency Because of: 2:28 10.6k LIKES. Nov 21,2020 - Zn and Cd metals do not show variable valency because:a)They have only two elements in the outermost subshellsb)Their d-subshells are co mpletely filledc)Their d-subshells are partially filledd)They are relatively soft metalsCorrect answer is option 'B'. Colds. Coinage metals such as copper, nickel, and zinc are d-block elements. Zinc is not consider as a transition metal because its compounds or ions (Zn2+) contain a full filled d-orbital or sub shell and are unstable.Moreover it have only one ion which is the (Zn2+). 2.6k VIEWS. (i) They do not show variable valency except mercury (ii) Many of their compounds are white. Both transition as well as non-transition elements show variable valencies. The atomic number of an element variable valency. Can you explain this answer? Zinc deficiency. These elements have and extra subshell of electrons beneath their valence shells. 9.7k SHARES. 6.1k SHARES. By using 2n^2, we can figure out no. Zinc is a transition element but it does not show variable valency because: A. it does not form coloured salts B. it has two electrons in the outermost orbit C. it has incomplete d-subshell D. it has completely filled d-subshell 4. 6.1k VIEWS. Zinc does not show variable valency Because of: 2:28 10.6k LIKES. It does not show variable valence, which might lead to it being preferred quite simply because it does not introduce the risk of free radical reactions. This kind of deficiency isn't common in the United States. 9.4k SHARES. 2.6k SHARES. (b) Unique structure of mercurous ion – Unlike Zn and Cd, Hg exhibits +1 as well as +2 oxidation state. Zinc is the second most abundant trace element in the human body. According to valence bond theory, what is the state of … Answered By 2.1k SHARES. People who have low levels of zinc appear to benefit most from zinc supplements. Zinc does not exhibit variable valency due to 1:31 6.3k LIKES. 9.4k VIEWS. View Answer. 2.1k VIEWS. | EduRev Chemistry Question is disucussed on EduRev Study Group by 441 Chemistry Students. Points are very low as +2 oxidation state in the human body show variable valencies 1:31 6.3k LIKES periodic... Low levels of zinc appear to benefit most from zinc supplements a of... 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