Explain why actinides are colourful (5)

Q: K3[Al(C2O4)3]*3H2O is colorless?

A: The given compounds are coordination compounds. Coordination compounds are those compounds which on…

Q: (a) Put in order of increasing rate of substitution by NH3 in the following complexes (a)…

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Q: (a) An aqueous solution of Fe(NO3)3 has only a pale     color, but an aqueous solution of…

A: When a chemical compound has more than one type of energy levels, then it interacts with light. For…

Q: 2a. Draw the coordination site for Fe in deoxyhemoglobin. Also provide a frontier MO diagram showing…

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Q: [Ni (NH3) 6] Magnetic moment of 2+ complex ion in Bohr magneton Gap 1. Fill in the blanks, read the…

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Q: (b) Which of the species Fe, Fe2* or Fe2* you would expect to react more favourably with CO? Why?

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Q: Discuss the preparation of actinides by (n, y) reactions

A: The (n,ᵞ) reactions are called as neutron capture reactions, and the general form of such reactions…

Q: 7. Based on the principles learned in class, order the following coordination complexes from the…

A: Inner orbital complexes are form most stable complexes as compare to outer orbital complexes.  Above…

Q: By using valence bond theory and ligand field theory, prove that [Ru(OMe)2(PMe:)4] is a paramagnetic…

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

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Q: 10.26. For a trigonal prismatic complex, [TiL,], Table 7.7 indicates that the d2 orbital is at an…

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

A: The electron of metal in the complex is normally excited to a higher energy level if the light falls…

Q: Which of the actinides are radioactive?

A: In a periodic table, element having atomic number from 89 to 103 are termed as actinides. Therefore,…

Q: (.. Put the correct order of v(C=0) stretching frequencies of the complexes and explain the reason.…

A: 3. In the metal carbonyls, the CO shows σ donation to the metal orbital and π* orbital accepts an…

Q: Protein X binds to Ligand W with a dissociation constant of .15 μmol. what is the concentration of W…

A: The concentration of ligand “W” is calculated in accordance with Hill-Langmuir, shown in equation…

Q: The magnetic moment of [Mn(NCS)6 ]4- is 6.06 μBM, is it high or low spin? why?

A: In this question, we will see that the complex is high spin or low spin and why. High spin complex…

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

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Q: (c) The ligands to meta! charge transfer bands (LMCT) increases in the series Col <CoBr <COCI…

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Q: 10. Compare the solids VO and V205 in their attraction to a magnetic field. Hint: This question…

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Q: Question 4: Answer the following questions about the Jahn-Teller Distortion. a. Define the…

A: Disclaimer-Only first three parts of the question are answered. Metal are those elements of periodic…

Q: Explain each of the following observations: (i) With the same d-orbital configuration (d4), Cr2+ is…

A: (i) Cr2+ has d4 configuration. Upon losing an e- (reducing agent), it forms Cr3+ which has d3…

Q: Rank the following ions in the weak octahedral field in order of increasing Jahn-Teller effect.…

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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: explain anharmonicity.

A: Anharmonicity:

Q: Which transition metal atom is present in each of the following biologically important molecules:…

A: Siderophores are small, high-affinity iron-chelating compounds that are secreted by microorganisms…

Q: 29. For each of the following ions, draw diagrams like those in Figure 8.18 to show orbital…

A: Here, the orbital energy splitting diagram has to be drawn for given ions in both the weak and…

Q: (a) Write the electronic configuration of Ce3+ ion, and calculate the magnetic moment on the basis…

A: Since you have posted multiple questions, we will answer the first question. Kindly repost the…

Q: The d-electron count of the transition metal center for [((7-CSH3)Ir(CO)2(CH3)] and (Rh(PPH3),CI],…

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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: enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locatorwassignment-take nd 10 Magnesium metal…

A: Answer : C. Magnesium burns in air.  because Malleability and ponded into narrow ribbons are the…

Q: Zn2+ (Zn=30) complexes have been found to be either octahedral or tetrahedral. Why? Explain using…

A: Complexes with Zn+2 metal centre usually results in complexes of four coordination number and…

Q: How many unpaired electrons do you predict for the tetrahedral [MnCl4]2- ion?

A: In the tetrahedral complexes, the three d orbitals (dxy, dyz, dxz) are higher in energy while the…

Q: Which of the species Fe, Fe2+ or Fe2+ you would expect to react more favourably with CO? Why?

A: species Fe, Fe2+ or Fe3+

Q: For each of the following ions, draw diagrams (on a piece of paper), like the one to the right…

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Q: 4. Consider the tetrahedral complex Ni(CO)a, see structure below A. Determine the symmetry of all…

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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: Write the name, the state of hybridization, the shape and the magnetic behaviour of the following…

A: There are two types of magnetic behavior, 1) Paramagnetic behavior means presence of unpaired…

Q: NH3 Pd. NH3 O2N, O2N

A: Interpretation-  To given the name of the complex which is given in the question .    Concept-  To…

Q: Consider a d5 complex in tetrahedral symmetry. The dipole moment is found to be 1.73 μB. Is the…

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Q: Which dn electron configurations are expected to undergo a Jahn–Teller distortion in a tetrahedral…

A: Co-ordination compounds are formed when the metal ion is bonded to the ligand which donates its…

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

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Q: (ii1.) Using your bonding dèscription from part (i.), together with the knowledge that CO ligands…

A: When a metal is bonded to a CO ligand, the metal donates the electron density it has to the CO…

Q: why d³ and d⁸ high spin complexes are more stable than other configurations?

A: High spin complexes: According to crystal field theory, two types of complexes are formed. High spin…