<p>Why is the +2 oxidation state so common for transition metals?

Q: Which of the following is not a transition metal? A) Co B) Zn C) Ti D) Nb E) Tc

A: Given multiple choice question .

Q: 44. (a) An aqueous solution of Mn(NO3)2 is very pale pink, but an aqueous solution of K¼[Mn(CN)6] is…

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Q: Give TWO (2) reasons and ONE (1) example the transition metals act as good catalysts.

A: Elements that belong to d-block of the periodic table are called d-block elements or transition…

Q: Which of the following is a transition element? CI Pd O K OS

A: * Transition Element =&gt; is the element in…

Q: why Ti^3+ is purple while Ti^4+ is colorless ?

A: Atomic number of titanium (Ti) is 22. The electronic configuration of titanium (Ti) is 1s22s22p63…

Q: Determine the charge of the metal center in tetraamminedichloroiron, [Fe(NH3)4Cl2] a. draw the…

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Q: Write the condensed configuration and predict the magnetic behavior of the following transition…

A: 1. Hg Condensed configuration of Hg - [Xe] 4f14 5d10 6s2 Elemental Mercury don't have unpaired…

Q: Determine the charge of the metal centre in tetraamminedichloroiron, [Fe(NH3)4Cl2] . a.Draw the…

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Q: 1- Explain the bonding nature of [Fe(CN)5 (NO)]-2 linear NÓ ligand.

A: The given complex [Fe(CN)5(NO)]-2 is an organometallic complex where the central metal atom is iron,…

Q: Calculate the oxidation state of nickel in [Ni(CO)4]

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A: The final step in the smelting of FeCuS2 is  Cu2S(s)  + 2Cu2O(s) --&gt; 6Cu(l) + SO2(g) (a) For…

Q: Give the number of d electrons (n of dn) for the central metal ion in (a) [Cr(H2O)6](ClO3)2; (b)…

A: Electronic configuration is used to describe how the electrons of an atom/ion are distributed in the…

Q: A post transition metal in group 16   on the periodic table

A: The elements which are present to the right of a transition metal and to the left of the metalloids…

Q: Write a balanced equation for the reaction between dichromate ion and iron(II) to yield iron(III)…

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Q: D- A sample of non-pure magnetite( Fe304) weighed 0.5g convert by the chemical reaction to Fe203…

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Q: How would you account for the following? (i) The atomic radii of the metals of the third (5d) series…

A: (i) Due to the poor shielding effect of f-electrons, there would be lanthanide contraction.…

Q: The chemical formula for iron(III) tricyanidobis(ethylenediamine)nitrosylferrate(II) is O…

A: Given coordination complex is iron(III) tricyanidobis(ethylenediamine)nitrosylferrate(II)

Q: Quo) Fill the blanks 1) The analysis that quantifies analytes called .. 2) The most abundant element…

A: (1) In analytical chemistry, analyte is a Substance or a chemical used for particular experiment.…

Q: All element of this group no matter its oxidation states , will be paramagnetic and coloured  gp 8…

A: When a substance is placed in a magnetic field, if it is repelled by applied magnetic filed then it…

Q: What is a transition metal? elements that have incompletely filled 4f subshells or that readily give…

A: D block elements are referred as transition elements.

Q: Write names for the following coordination compounds: |(a) [Cd(en)Cl] |(b) KĄ[Mn(CN)6] (c)…

A: Part a: The given complex is a neutral complex. The ligands are named in alphabetical order firstly.…

Q: Which of the following is an inner transition element? A) Es B) Os C) Na D) F  E) none of these

A: Here given option and we are asked which element is belong to  inner transition element.

Q: Which of the following ions would be colored in solution? A) Hf*+ B) V5+ C) La3* D) Co3* E) Ti**

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Q: Octahedral [Cr(en)3]3+ Octahedral [Cr(CI)6]6+ Square planar (Ti(en)2]2+ Tetrahedral [Nb(en)2]2+…

A: If the field is strong, it will have few unpaired electrons and thus low spin. If the field is weak,…

Q: Which of the following is considered diamagnetic?         a) K     b) Sc    c) Cr    d) Zn    e) Ge

A: On the basis of magnetic properties, solids can be further classified as diamagnetic, paramagnetic,…

Q: Which of the following classifications are the most accurate? Select one: O a. Ce, Eu, Gd, Er: inner…

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Q: In the solid state, [Fe(CO)5] possesses a trigonal bipyramidal structure. Predict the mass spectrum…

A: Fe(CO)5+→Fe(CO)4+ →Fe(CO)3+ →Fe(CO)2+ →Fe(CO)+ → Fe+ m/z=195       167              139…

Q: Which of the following complexes is paramagnetic? O [Fe(CN)6]4- O Fe(CO)5 [Co(CN)6]3- [Co(NH3)62+

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Q: Cr(CO)6 is stable while Cr(NH3)6 is not.

A: In [Cr (NH3)6]+3, unpaired electrons are present so paramagnetic. In [Co (NH3)6] +3, all electrons…

Q: Which of these coordination compounds represents K3[Fe(C204)3].2H20 2- OH2 Fe OH2 A D Select one: О…

A: Steps involved: Find the charge on the complex ion Find the coordination number of metal ion in the…

Q: Vanadium may have been used by some ancient animals ____________.

A: A number of species of marine algae produce vanadium bromoperoxidase as well as the closely related…

Q: Explain why transition metals exhibit multiple oxidation states insted of a single oxidation state?

A: Unlike main-group metals that tend to exhibit only one oxidation state, the transition metals often…

Q: Calculate the number of unpaired electrons in the following complex. 72+ O 2.45 O 5.92 O 1.79 O 2

A: Metal can have number of unpaired electron depending on the nature of ligand as well as geometry of…

Q: Select the electronic configuration of a transition metal in its ground state. 6. O 1s 2s 2p O 1s 2s…

A: Transition metal are those metals which have partially filled (n-1)d subshell in free state or in…

Q: 13. Which of following complexes is paramagnetic? 3+ (B) [FeF«]* (C) [Zn(NH3)4]2+ (D) [Co(H;O)6] 4-…

A: (13) Paramagnetic objects are attracted to magnetic forces. Many flexible metal structures have…

Q: Explain the physical properties, electron configurations, oxidation states, and magnetic properties…

A: 1. They are good conductor of heat and electricity. 2. Atomic radii of transition elements lie in…

Q: a) b) c) Calculate the M oxidation states: Draw the structures: What are the colours and why?…

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Q: 20. What is the oxidation number of Cr in Cu,CrO,? А. +12 В. +3 С. +4 D. +5 E. +6

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Q: What is the coordination number on the transition metal in the following compound? [Mn(H,O) ](NO3)2…

A: Answer

Q: Which one of the following elements has higher fourth ionization energy?   Sc (Z = 21) or Ti (Z =…

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Q: The oxidation states of transition metals are shown in the table. Why is it possible for a…

A: The elements which have partially filled d-subshell in elemental or in normal oxidation states are…

Q: Write a balanced equation for the expected reaction betweenpotassium metal and elemental sulfur,…

A: A balanced chemical equation is the equation in which equal number of atoms are present on both the…

Q: Which of the following is not one of the properties of transition metals? A. They can have more…

A: In this question, we will select the incorrect properties about transition metals.  You can see the…

Q: What is the balanced net ionic equation of NH3 reacting with Fe(NO3)3 and reacting with CuS

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Q: How many electrons are in the valence d orbitals in these transition-metal ions? (a) Co3+

A: (a) The electron configuration of cobalt is [Ar]3d74s2.

Q: 6. Fill in table. Metal High Spin or Low Spin # of unpaired # d Complex elect. electrons Rh(NH;),+…

A: To solve this problem one should know high spin and low spin complexes he must be aware of the…