1. Suggest why it is possible to synthesize many boron-nitride analogs of aromatic carbon compounds, such as white graphite (the BN analog of graphite):

Q: (i) What type of non-stoichiometric point defect is responsible for the pink colour of LiCl?(ii)…

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Q: What is the role of Na2CO3(aq) in the conversion of D to E? How would you test for the presence of…

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Q: When chromite ore FeCr2O4 is fused with NaOH in presence of air, a yellow coloured compound (A) is…

A: Let us break the given sequence of reactions in different steps as: 1. Chromite ore FeCr2O4 is fused…

Q: QUESTION: Use thermodynamic calculations [use redox potential (Eh)] to predict which of the three…

A: CONCEPT: Reductant: Reductant is the reducing agent that undergoes oxidation itself and capable of…

Q: hydroboration with sia2BH would be achieved with the following reagent.

A: Sia2BH, which is a dialkylborane, also known as disiamylborane is bis(1,2-dimethypropyl)borane. This…

Q: Which is the most likely product for the Birch reduction of anthracene? Structure: А. В. С. D.

A: Birch reduction is used to convert aromatic compound into non-aromatic compound and electron…

Q: What is the yellow precipitate collected from the reaction N(CH3)4Ix with AgNO3? If all the iodine…

A: The number of moles is given as the mass of the substance upon its molar mass. The VSEPR theory is…

Q: Write a balanced net-ionic equations to describe a. reduction of Fe3+ to fe2+ by SO2 b. reaction of…

A: INTRODUCTION: Balanced chemical equation is defined as in which when we add all the masses of the…

Q: Write a balanced half-reaction describing the oxidation of aqueous vanadium(I) cations to aqueous…

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Q: Boron’s chemistry is not typical of its group.(a) Cite three ways in which boron and its compounds…

A: (a) All Boron compounds are covalent whereas the other elements in group 3A (13) forms mostly ionic…

Q: How the yeild of NH3 in haber's process may be increased?

A: We can increase the yield of NH3 gas by  :          (A) Decreasing the temperature at the…

Q: Assign suitable reasons for the following: (a) The Mn2+ compounds are more stable than Fe2+ towards…

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Q: 2. Unlike fluorides, pure oxides with the fluorite structure (MO2) show high anion conduction only…

A: Crystal defect: During crystallization of substances some of the impurities can be seen in…

Q: (a) Write the principle of method used for the refining of germanium.(b) Out of PbS and PbCO3 (ores…

A: a) The principle method that is used in the refining of germanium is a zone refining process, and…

Q: 1. What are the practical implications of alloying in carbon and alloy steels?

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: (d) The reaction of aniline (C6H4NH2) with a mixture of KBrO3 and KBr in acidic solution (e) the…

A: (d)  Aniline reacts with a mixture of KBrO3 and KBr in an acidic solution to form 2,4,6…

Q: Explain the procedure for synthesis of transition metal complexes of hydroxycinnamic acids? For the…

A: P-coumaric acid and ferulic acid are used to  synthesis the transition metal complexes of…

Q: Write a short note on the stability of bicarbonates and carbonates of alkali metals

A: As we are moving from Li to Cs from top to bottom of the periodic table thermal stability of…

Q: Senoff was working with ruthenium-based compounds, and upon discovering a brown compound, proposed…

A: The compound that Senoff discovered is a brown color compound. On the other hand, boron monoxide is…

Q: Explain the following observations: (i) Phosphorus has a greater tendency for catenation than…

A: i)Phosphorus has a greater tendency for catenation than nitrogen. Due to small atomic size N-N…

Q: Write one similarity and one difference between the chemistry of lanthanoids and that of actinoids.

A: One of the series of 15 consecutive chemical elements in the periodic table from lanthanum to…

Q: d (h.s) d' (L.s) Explain which of the electronic configurations in the octahedral field show the EPR…

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Q: HO, TBHP, Ti(OiPr)4 (+)-DET TBHP, Ti(OiPr)4 Но b) (-)-DET geraniol TBHP, Ti(OiPr)4

A: G8ven reactions are example of  The Sharpless epoxidation reaction.  Epoxidation of allylic alcohol…

Q: Q2(b) Describe the chemistry of the boron with reference to (1) bonding in borohydrides, (i)…

A: To describe the chemistry of the boron with reference to (i) bonding in borohydrides, (ii)…

Q: AZ91 alloy; a) What is its chemical composition? b) Which of the strength increasing methods are…

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Q: Hydrogen peroxide can act as either an oxidizing agent or a reducing agent. (a) When H₂O₂ is treated…

A: When H2O2 is treated with aqueous KI, I2 is formed. The oxidation state (O.state) of iodine in KI is…

Q: Discuss the reactivity of organolithiums and why their standardisation is recommended?

A: organolithium compounds are hihgly reactive, they are more reactive compare to  organomagnesium…

Q: a. Describe the appearance of the mixture of iron and sulfur. b. What effect did the bar magnet have…

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

Q: why is anhydrous CuSO4 is colourless ?

A: The molecule which do not contains any water molecule is termed as Anhydrous.

Q: How does the maximum oxidation number vary across aperiod in the main groups? Is the pattern in…

A: Main groups include s and p block elements. s block includes group 1 and 2 and p block includes…

Q: 3. What are Bravais lattices and crystal system? Explain why the base centred tetragonal, the face…

A: Crystal system helps to determine physical properties such as band structure, cleavage etc.

Q: What is the "AXE" description of the trichlorostannanide ( SnC1, (Sacı;). anion? AX E

A: AXE notation:

Q: Show Calculations and Formulas. What is the energetic favorability of A? (A) MnO2 reduction by…

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Q: What is the Methods used to Synthesis of Dihalides.

A: Haloalkanes or alkyl halide (RX) are carbon compounds which contain one or more halogen atoms…

Q: how will ethyl acetate react with alkaline I2 in KI?

A: Ethyl acetate is also called ethyl ethanoate and written as EtOAc or ETAC. Its molecular formula is…

Q: (a) the reduction of Fe3+ to Fe2+ by SO2 (b) the reaction of H2MoO4 in a Jones reductor (c) the…

A: Since you have posted multiple questions, and have not specified which question you want us to…

Q: Consider the reaction between dissolved Fe²* and elemental sulfur (S°) to form hematite (Fe2O3) and…

A: Given reaction : Fe2++So→Fe2O3+HS- Reduction is defined as the gain of electron while the oxidation…

Q: g. The oxidation of iodide ion l- by permanganate ion Mn0, in basic solution to yield molecular…

A: The electromotive force of a galvanic cell which is formed from a standard reference electrode and…

Q: Give balanced net reaction for the synthesis of tert-butylamine borane

A: The reactions steps given are, 1) 2)

Q: Question is attached

A: Unlike fluorides, pure oxides with fluorite structure show high anion conduction only at elevated…

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.