11. Which of the following belongs to alkaline earth metals? O K] 4d5 5s1 O (Ar] 4s2 O [Ar] 3d10 4s2 4p1 O [K] 5s1

Q: What are the oxidation states of manganese in the following series of oxides? MnO, MnO2, Mn2O3,…

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Q: Is each oxide basic, acidic, or amphoteric in water: (a) MgO; (b) N₂O₅; (c) CaO; (d) CO₂; (e) TeO₂?

A: Since we answer only upto 3 sub-parts so we'll answer first three sub-parts. Please resubmit the…

Q: Which of the following statements is false? * 2nd and 3rd row d metals are generally larger in size…

A: Half filled and fully filled configuration are more stable than normal.

Q: Determine the oxidation state and the dn configuration for Pt in [PtCl2(PME3)2].

A: The coordination complex is the complex in which the central metal atom is bonded with the ligand by…

Q: For each of the following ions, draw diagrams like thosein Figure 8.18 to show orbital occupancies…

A: As you have posted multiple parts of the question, hence we are solving only first 3 parts of the…

Q: Using the MO energy-level diagram for CO , specify the HOMO & LUMO for CN ion Select one: O 2p & n…

A: Molecular energy diagrams are used to represent energy levels of a molecule, it shows the formation…

Q: 1.Which compound is used in respirators since it reacts with CO2(g) to produce O2(g)? a.RbO2 b.CsO2…

A: The compound which converts carbon dioxide into oxygen and makes respiration easier will be used in…

Q: Have each group member choose a row of the transition metals inthe periodic table and ask each to…

A: The transition metals subdivided according to the electronic structures of their atoms into three…

Q: The elements of the actinide series are shown in the diagram. Some of the actinides ions are not…

A: Given : We have to tell why actinides are colorless.

Q: How many electrons are in the valence d orbitals in thesetransition-metal ions? (a) Co3+, (b) Cu+,…

A: (a) The electron configuration of cobalt is [Ar]3d74s2. Cobalt loses three electrons to become Co3+.…

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: (a) Write the electronic configuration of Cu2+  (Atomic No of Cu=29) (b) Explain Cr has the…

A: (a) The electronic configuration of Cu2+  (Atomic No of Cu=29) Copper has  29 electrons filled in…

Q: True or False: Elements exists in various oxidation states in the second and third transition series…

A: #1: Transition elements are present in between s-block and p-block elements in the periodic table.…

Q: According to the Valence Bond Theory [CoCl6] 3-complex ion has 4 unpaired electrons. Accordingly,…

A: Explained as follows

Q: d. trans-Dichloro-pentakis(tetrahydrofuran)- gadolinium(iii) pentachloro- tetrahydrofuran-tin(iv) e.…

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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: For each of the following ions, draw electron configuration diagrams for the d-orbitals (similar to…

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Q: Which of the following elements is most likely to form an oxide with the formula MO3: Zr, Nb, or Mo?

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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: How many unpaired electrons do you predict for the tetrahedral[MnCl4]2 - ion?(a) 1, (b) 2, (c) 3,…

A: [MnCl4]2 - ion Electronic configuration - [Ar] 3d5

Q: What type of structure is exhibited by most of the transition metals? a)Close-packed b)Tetrahedral…

A: To explain: Which structure is exhibited by most of the transition metals.

Q: (a) Complete and balance the following chemical equations: (i) Cr2072- + I- + H+ ——–> (ii) Mn04–…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

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: (üi) 1) H2SO4, 140 °C >? 2) NaOH Br „MgBr cat. Ni/ligands (iüi) →?

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Q: Bromine monofluoride (BrF) disproportionates to bromine gas and bromine tri- and pentafluorides. Use…

A: Given,

Q: Use condensed electron configurations to write an equation for the formation of each transition…

A: The electronic configuration of an atom describes the arrangement of electrons in different orbitals…

Q: Which among the following nickel complexes is the most thermodynamically stable? O [Ni(en)]2+ K₁ =…

A: we need to select the most thermodynamically stable nickel complex

Q: 16 1 1111 Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( ADA…

A: The transition elements exhibit higher enthalpy of atomisation because

Q: Which of the following atoms is the most active metal? All can be found in the 5th row. Rb -…

A: Active metal - element easily donate electron and highly reactive

Q: Which lanthanide has the maximum number of unpairedelectrons in both its atom and 3+ ion? Give the…

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Q: 2. (a) The v(CO) of isoelectronic series [Mn(CO)], [Cr(CO)] and [V(CO) are 2090 cm³¹ 2000cm¹ and…

A: This Question is based upon Inorganic IR Spectroscopy.

Q: What structural feature is characteristic of a chelate?

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Q: ?Which of the following is WRONG I. Ca, Sr, Ba, Rn - alkaline earth metals II. Mg, Al, Pb, Rb -…

A: Alkaline earth metals : these are the metals which belongs to comes under group 2 . these are - Be ,…

Q: 7.9 Which of the following oxides are likely to be acidic, basic or amphoteric in aqueous solution:…

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Q: Rank the following in order of decreasing and energy of light absorbed: [Cr(en)₃]³⁺, [Cr(CN)₆]³⁻,…

A: The splitting energy increases, as the strength of the ligand increases.

Q: Which of the following is paramagnetic? а. [Pt(en)Cl,] b. [Mo(CO)6] С. [Co(NH3)6]3+ d. [CoBr¾]²-

A: According to the question, we need to identify which coordination compound is paramagnetic in…

Q: 2. (a) The v(CO) of isoelectronic series [Mn(CO)], [Cr(CO)6] and [V(CO) are 2090 cm¹ 2000cm¹ and…

A: This Question is based upon Inorganic IR Spectroscopy.

Q: (a) What is the lanthanide contraction? (b) How does it affectatomic size down a group of transition…

A: Lanthanoid contraction, in chemistry, is the steady decrease in the size of the atoms and ions of…

Q: How would you account for the following: (i) Among lanthanoids, Ln(III) compounds are predominant.…

A: To find: How will account for the given statements.

Q: The decavanadate ion is a complex species with chemicalformula V O10 282-. It reacts with an excess…

A: The oxidation number represents the number of electrons gain or loses by an element to become…

Q: Rank the metals as less active < More active (Increasing order). Compound DeltaG0f (kJ/mol) NiO -212…

A: Given: The Formation Gibbs free energy of the oxides of the metals are NiO (-212) MgO (-569) CuO…

Q: Fe, Al and Cr and its oxides. Explain the diagram

A: Ellingham Diagram: A graph sharing temperature dependence of the stability of compounds. It is…

Q: Give the oxidation state of the metal for each of the following oxides of the first transition…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Many lithium salts are hygroscopic (absorb water), whereas the corresponding salts of the other…

A: