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 . 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). 2.6k VIEWS. 2.6k SHARES. 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. (iii) Their melting and boiling points are very low. By using 2n^2, we can figure out no. 9.4k SHARES. 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. MEDIUM. 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'. Zinc does not show variable valency Because of: 2:28 10.6k LIKES. 1:28 3.1k LIKES. Zinc does not exhibit variable valency due to 1:31 6.3k LIKES. Which element does not show a valency of 2 2:50 10.1k LIKES. Colds. Zinc is the second most abundant trace element in the human body. According to valence bond theory, what is the state of … Zinc does not show variable valency Because of: 2:28 10.6k LIKES. 9.4k VIEWS. 6.1k VIEWS. (b) Unique structure of mercurous ion – Unlike Zn and Cd, Hg exhibits +1 as well as +2 oxidation state. View Answer. 6.1k SHARES. People who have low levels of zinc appear to benefit most from zinc supplements. Thus mercurous ion exists as Hg 2 2+ and not as Hg + Which of the following can show variable valency ? 2.1k SHARES. 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. (i) They do not show variable valency except mercury (ii) Many of their compounds are white. Indicate 'principal' and ' secondary' valancies of central metal ion in the following complexes: ... Zinc does not show variable valency like d-block elements because. Both transition as well as non-transition elements show variable valencies. This kind of deficiency isn't common in the United States. 9.7k SHARES. Answered By 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+). The atomic number of an element variable valency. 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