Explain the following observations: (i) Transition elements generally form coloured compounds. (ii) Zinc is not regarded as a transition element

Q: How does d-electron shielding influence atomic size among the Period 4 transition elements?

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Q: ionization energy

A: Ionization energy is defined as the amount of energy required in order to remove most loosely bound…

Q: (a) What behavior distinguishes paramagnetic and diamagnetic substances? (b) Why are paramagnetic…

A: Since you have posted multiple questions, we will solve the first question for you. To get the…

Q: What is the basis in assigning a central atom?

A: The basis on which central atom is assigned has to be given.

Q: Describe and account for the variation of first ionizationenergies along Period 2 of the periodic…

A: Describe and account for the variation of first ionization energies along with Period 2 of the…

Q: The elements of the second row of f-block, as known as actinides, are considered the second inner…

A: The two rows that are placed underneath the Periodic Table are called the Lanthanide series and the…

Q: Explain the following: (i) The transition elements have great tendency for complex formation, (ii)…

A: (i) The transition elements have greater tendency to form complexes due to the presence of vacant…

Q: Briefly explain how D orbitals of a transition metal ion become non degenerate

A: Splitting is main factor of non degeneracy of d-orbital due to approach of ligand to central metal…

Q: Transition elements or their compounds have the following characteristics. 1. Some are paramagnetic…

A: Transition elements are those having partially filled d orbitals.

Q: In which compound does Cr exhibit greater metallic behavior, CrF2 or CrF6? Explain

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

Q: Provide explanations of the following phenomena: The electron configuration of Ti is [Ar] 4s2 3d2,…

A: The given statement is, The electron configuration of Ti is [Ar] 4s2 3d2, but that of Cr2+ is [Ar]…

Q: Assign a reason for each of the following observations:(i) The transition metals (with the exception…

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Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: How does the variation in atomic size across a transition se-ries contrast with the change across…

A: The transition elements are those elements in which the last electron enters the d sub-shell. The…

Q: The compound hexaamminecobalt(III) chloride is diamagnetic and orange in color with a single…

A: The formula of the compound is [Co(NH3)6]Cl3. It can be written as [Co(NH3)6]3+. It consists of Co3+…

Q: 15. Transition elements or their compounds have the following characteristics. 1. Some are…

A: The elements in which the d-orbitals are partially filled known as the transition elements. The…

Q: The precious metal platinum was first used by indigenous peoples of South America, who found impure,…

A: Various metals are present in the form of coordination compounds. They are attached with various…

Q: The precious metal platinum was first used by indigenous peoples of South America, who found impure,…

A: Since you have posted multiple questions, we will solve first question for you. Please repost other…

Q: why doea a transition series contain 10 elements?

A:

Q: how can you diffrentiate between lanthanides and actinides ?

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: why is ionisation energy of 5d transition series higher than 3d and 4d?

A: The amount of energy required to remove an electron from the outermost shell of gaseous atom to form…

Q: 4) The dielectric constants of noble gases increase slightly from top to the bottom in the periodic…

A: Noble gases are non polar molecules; hence, electrically neutral.  This is because of symmetrical…

Q: Explain why actinides are colourful (5)

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Q: Q1 Write electronic configuration of: Sc*, Cr*3, Mn*7, Fe** Q2which of the above is paramagnetic

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

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Q: Magnetic Resonance Imaging (MRI) is a medical technology that allows us to create three dimensional…

A: Contrasting agent should be paramagnetic with strong intrinsic magnetic properties. The more…

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: which of the d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

Q: coloured and why? Explain. Example 8. Which of the following ions are expected to be 3+ 2+ Cut,…

A: The element which have unpaired electron is coloured. As unpaired electron can absorb energy and…

Q: In April 2010, a research team reported that it had made Element117. This discovery was confirmed in…

A: The electronic configuration of the atom is the distribution of electrons in various orbitals. The…

Q: The ground-state electron configuration of, O Fe is [Ar]4s 13d 5. V Cr O K O Mn

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Q: Explain the following observations: (i) Generally there is an increase in density of elements from…

A: (i) On moving titanium (Z=22) to copper (Z=29) in general atomic mass increases where as atomic…

Q: The complexes (V(H2O)6)^3+ and (VF6)3- are known .what gives rise to their color and which of them…

A: In the above two complexes, Vanadium is in the +3 oxidation state. The electronic configuration of…

Q: Write the general electron configuration of a transition ele-ment (a) in Period 5; (b) in Period 6.

A: General electronic configuration of a transition element (a) in Period 5; (b) in Period 6 has to be…

Q: 5. Discuss the origin of the hyperfine structure. What are the assumptions made for the nucleus?…

A: Answer - Hyperfine structure  - In spectroscopy, the splitting of a spectral line into a number of…

Q: The compound hexaamminecobalt(III) chloride is diamagnetic and orange in color with a single…

A: Most of the coordination complexes of transition metals shows colour due to d-d transition or charge…

Q: Which transition metals have a maximum O.N. of +6?

A: Transition metals: These are the elements that have partially filled d subshell. In other words, the…

Q: give the charge of the transition metal   Ag2C2O4

A: Answer :  Charge of transition metal Ag is +1.  Ag2C2O4 siver oxalate  is a ionic compound. Which…

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: ) Estimate the atomic radii (in nm) of silver and vanadium (compare the estimates with the reported…

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Q: Among the period 4 transition metals (Sc–Zn), which elements do not form ions where there are…

A: The transition element present in the fourth period are Scandium, titanium, vanadium, chromium,…

Q: In each of the following sets, choose the one with the highest ionization energy а. К, К", Са, Са*?…

A: Those compound which have nobel gas electronic configuration ,have high ionisation energy

Q: would you predict that Sc is metallic? Explain the basis for your predicition by using what you know…

A: In the modern periodic table, the metals are present in all the blocks. However, s-block, d-block…