Account for the following: (a) (i) Transition elements form interstitial compounds. (ii) Mns+(3d4) is strongly oxidising, whereas Cr2+(3d4) is strongly reducing. (iii) Transition metals have high melting points. (b) What is misch metal? Write its one use.

Q: The coordination compound [Pt(NH₃)₂(SCN)₂] displays two types of isomerism. Name the types and give…

A: This compound exhibits geometric (cis-trans) and linkage isomerism. The SCN-ligand can bond to the…

Q: Why do Selenium and tellurium occur in rare minerals?

A: The reason why Selenium and tellurium occur in rare minerals has to be given,

Q: Explain reaction chemistry of CO with transition metals based on its Molecular orbital diagram?

A: Solution: Simply for any ligand to bind with transition metal required lone pair.  Let us know the…

Q: (d) [Cr(OH)2]¿** ions are pale blue-green but chromate (Cr,0,) ion is an intense yellow in colour.…

A:

Q: (d) [Cr(OH);]¿* ions are pale blue-green but chromate (Cr,O,²) ion is an intense yellow in colour.…

A:

Q: Explain the ways in which the elements act: (a) How do you explain that fluoride, a small anion, is…

A: Explanation for the given parts a and b.

Q: Is the interaction between an ammonia ligand and a metal cation a Lewis acid-base interaction?

A: The interaction between ammonia ligand and a metal cation is a Lewis acid-base interaction.

Q: Explain the following observations: (i) Many of the transition elements are known to form…

A: Interpretation: Given observation are to be explained.

Q: 4. Magnetite, Fe304, is one of the principal mineral sources of iron, along with Haematite and…

A:

Q: Write the formula for each of the following compounds, being sure to use brackets to indicate the…

A: The Formula for the following coordination compounds are: (a)…

Q: (a) In the industrial production of iron, what is the reducing substance loaded into the blast…

A: The extraction of a metal from its ore is called metallurgy. Metallurgy involves many steps for the…

Q: 3+ (d) [Cr(OH)2]6* ions are pale blue-green but chromate (Cr,O,) ion is an intense yellow in colour.…

A:

Q: Solutions of the iron(lll) – containing ionic compounds Fe2(SO4)3 and FeCl3 are yellowish in colour.…

A: In this question, the reason for deep brown color of Fe(MnO4)3 is to be determined while Fe2(SO4)3…

Q: Estimate the wavelength of maximum absorption for the octahedral ion hexacyanoferrate(III) from the…

A: Given that the light which is emitted by the solution is red, hence the solution absorbs its…

Q: For the following coordination complex: {Ni(CN)3H20} Give the name Determine the geometry Give the…

A: Formal charge of CN-=-1Formal charge of H2O=0Oxidation state of Ni,x+3*(-1)+0=-1x=+2Hence, Ni exists…

Q: Explain giving reasons :(i) Transition metals and their compounds generally exhibit a paramagnetic…

A: Transition elements are the elements having partially filled d-subshell and the elements of this…

Q: What structural feature is characteristic of a chelate?

A:

Q: Why a diamagnetic metal complex once heated it posses a magnetic moment.

A: The diamagnetic complex is the one that tends to have paired electrons in the electronic…

Q: Explain the hybrid type and geometric structure of the K3 [Cr (C204) 3] .3H2O complex with VBT.

A: oxidation number of Cr is +3  in this compound .

Q: (a) What is the range in electronegativity across the first (3d)transition series? (b) What is the…

A: (a) Transition elements exhibit a relatively small change in electronegativity consistent with the…

Q: The most important oxides of iron are magnetite, Fe3O4,and hematite, Fe2O3. (a) What are the…

A: Oxidation state is referred as the  total no. of electrons lost or gained by the atom to form a…

Q: How many cubic feet of air at a pressure of 760 torr and 0 °C is required per ton of Fe2O3 to…

A:

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: Giving one example in each of the following cases, discuss briefly the role of coordination…

A: Introduction- Coordination compounds- These are the compounds which contain a complex part formed…

Q: Palladium(II) tends to form complexes with coordination number 4. A compound has the composition…

A: The chemical compounds consisting of neutral molecules or anions attached to the central metal atom…

Q: Magnesium hydride possesses a rutile lattice. (a) Sketch a unit cell of rutile. (b) What are the…

A:

Q: In what directions do you expect the bond length andvibrational frequency of a free CO molecule to…

A: Interpretation - In what directions the bond length and vibrational frequency of a free CO molecule…

Q: Which oxide, Mn₂O₃ or Mn₂O₇, is more basic in water?Why?

A: An acidic oxide is considered as an oxide that reacts with water to deliver an acid. The basic…

Q: Explain the following observations :(i) Copper atom has completely filled d orbitals (3d10) in its…

A: The elements in which the last electron is filled in d sub shell are known as transition elements.

Q: Several transition metals are prepared by reduction of themetal halide with magnesium. Titanium is…

A: The steps involved in the production of titanium in the kroll's process. In the 1st step…

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: The only alkali metal that reacts with oxygen to give a compound with the expected stoichiometry is…

A:

Q: (a) Which metal in the first transition series (3d series) exhibits +1 oxidation state most…

A: Which metal in the first transition series (3d series) exhibits a +1 oxidation state most…

Q: Under what conditions is the FeO42- ion thermodynamically stable in aqueous solution?

A:

Q: The complexes [V(H2O)6]3+ and [VF6]3- are both known. Draw the d-orbital energy-level diagram for…

A: Energy level diagram for V (III) octahedral complexes: - V =[Ar] 3d3 4s2 V3+ =[Ar] 3d²

Q: Explain the following observations: (i) The enthalpies of atomisation of transition metals are quite…

A: The given observations have to be explained,

Q: Hydroxylamine 1NH2OH2 reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: Introduction: We have to balance the reaction between hydroxylamine and Cu2+.

Q: Chromium(III), like cobalt(III), has a coordination numberof 6 in many of its complex ions.…

A: An aqueous solution is electrically conductive if there are free ions present in solution. The…

Q: Is the interaction between an ammonia ligand and a metal cation a Lewis acid–baseinteraction? If so,…

A: The interaction between ammonia ligand and a metal cation is a Lewis acid-base interaction.

Q: FeF6]3− is almost colourless whereas [CoF6]3− is coloured (and has only 1 band in the visible region…

A:

Q: Describe the periodic trends in radii and oxidation states of the transition-metal ions, including…

A: Lanthanide contraction occurs due to an increase in the effective nuclear charge with an increasing…

Q: Write the formula for each of the following compounds, being sure to use brackets to indicate the…

A: Given compounds, (a) tetraaquadibromomanganese(III) perchlorate (b) bis(bipyridyl)cadmium(II)…

Q: What is linkage isomerisation and why can it be important?

A: Linkage isomers are two or more coordination compounds in which the donor atom of at least one of…

Q: isomerisation

A: Dear student I have given answer to your question in the image format.

Q: (a) What are the different oxidation states exhibited by the lanthanoids? (b) Write two…

A: (a) What are the different oxidation states exhibited by the lanthanoids? In the lanthanide series,…