What is valence-state electronegativity? Explain the changein acidity of the oxides of Mn with changing O.N. of the metal.

Q: 75 ALhe chooy deced to I Mm Crbon (NCO oesampled water in the school takin onder to restore e…

A: Question 7.3.1 cannot be answered as nowhere in the question it has been mentioned that how much HCl…

Q: Titanium(III) oxide is prepared by reaction of titanium(IV)oxide with hydrogen at high temperature.…

A: Oxides are the compounds having one or more oxygen atoms combined with other elements. The binary…

Q: State one reason for alkaline earth metals in general having a greater tendency to form complexes…

A: Alkaline earth metals are found in group (II) of periodic table having 2 outermost electrons; also…

Q: 96 Report Sheet • Activity Series 6. Complete and balance the following: the lowest energy level for…

A: Please find below the complete reaction Mg(s) + O2 (g) ---> MgO (s)…

Q: of AS° for H aO in

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

Q: Rank the following hydroxides in order of increasing aqueous basicity: Al(OH)3, B(OH)3, In(OH)3.

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Q: A mixt. weighing ) wt. of NogCOs ond KaCOg It is disasolued in woter and 1.000 g consistu of equal…

A: NOTE : it will be 17.36 mL of 1.075 acid added not 17.36 g Sol : Since the mass of K2CO3 and Na2CO3…

Q: The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The…

A: The relationship between ∆S°, ∆H° and ∆G° is given by  ∆G° = ∆H° - T∆S° where T = temperature in…

Q: Account for the following observations: (a) H3PO3 is adiprotic acid. (b) Nitric acid is a strong…

A: A diprotic acid is the acid that can donate two proton for each molecule.

Q: Rank the following oxides in order of increasing acidity inwater: Sb₂O₃, Bi₂O₃, P₄O₁₀, Sb₂O₅.

A: The acidic strength of an oxide increases with the increase in oxidation state of central atom in…

Q: Grive the balam eed chemical equation fon the preparation of XeOg. A compound (x) is fonmed when…

A: Inorganic chemistry:

Q: in cold water. ii) A hydride which is spontaneously flammabie in air ii) A hvdride which on…

A:

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of  the…

A: 1) compare of oxides of group 1 and 2 elements - Group 1 metals are very reactive with oxygen and…

Q: Which one of the following oxides reacts with bases (alkalis) but does NOT dissolve in water at all?

A: The reactions which are takes place with alkali solution NaOH is

Q: eglell 21 The least basic oxide of Pb0 and PbO2 is the one of lower oxidation state TA F b

A: Proclamation - 1 : PbO2 is an oxidizing specialist and decreased to PbO.  Pb(IV) in PbO2 acquires…

Q: Write balanced net ionic eqautions for (include phase subscripts): Ag+ and 0.5M Na2SO4 Ba2+ and…

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Q: (iv) Arrange the hydroxides of Group II elements (Be to Ba) in decreasing order of solubility…

A: (iv) The decreasing order trend of solubility of group II hydroxides in water is written as follows;…

Q: Complete precipitation of group III cations is assured by keeping the solution O slightly alkaline…

A: Analytical chemistry is branch of chemistry which involves separation, identifications and…

Q: Write a balanced net ionic equation for each of the followingreactions: (a) Dilute nitric acid…

A: (a) The balanced net ionic equation for dilute nitric acid reacts with zinc metal with formation of…

Q: Which one of the following compounds in aqueous solution would be best described by the picture…

A: The aqueous solution of ionic solids contains all the ions in same proportion as that in formula.

Q: 1.Does O3+2H++2e-> O2+2H2O release more heat in comparison to O2+4H++4e-> 2H2O. Explain in great…

A: #1:  The standard reduction potential for the two reduction half-reactions are: O3(g) + 2H+ + 2e-…

Q: Complete and balance the following half-reaction in basic solution Cr(OH):(s) → CrO,? (aq) 12+ 03

A: Balancing of chemical reaction in any medium is must so that law of conservation of mass is…

Q: All the following salts are alkaline except   LiClO   NH4NO3   SrCrO4   K2HPO4

A: Salts can be acidic, basic or neutral. The salts of strong acid and strong base are neutral. The…

Q: Main group elements react with oxygen to form acidic, amphoteric, and basic oxides in aqueous…

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Q: Although the alkali metal halides can be prepared directly from the elements, the far less expensive…

A: The alkali metal halides can be prepared directly from the elements, the far less expensive…

Q: A o.9182 is disso lud in enous to give 5 60.mh OK solution W the calcium ibh conantation in tho…

A: The question is based on the concept of solution molarity is a method of expressing concentration of…

Q: 9. The equation for the decomposition of calcium carbonate is given below. CACO3 (s) → CaO (s) + CO2…

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

A:

Q: What's the ppting agent of ferric ion and why nitric acid and hydrogen peroxide are added to…

A: The technique by which the ion amount or ions in a specific analyte are determined is called…

Q: When solid CrO3is dissolved in water, the solution is or-ange rather than the yellow of H2CrO4. How…

A:

Q: Please explain the reason, Thank you so much Rank acidic Cmost ) Cleast 3) A. HN CBrz A. B. B. O C.…

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Q: (i) Thermal stability of hydrides of group 16 elements decreases downthe group. Why?(ii) Compare the…

A: i) The thermal stability of the hydrides of group 16 elements decreases down the group, i.e., H2O…

Q: Hydrogen thiosulfite, HS2O2-, is a weak acid with pka= 6.97. A.) There are two sulfur atoms in…

A: A) On the basis of electronegativity difference, oxidation state of S1 is 0(zero) and oxidation…

Q: ermine whether o more likely and ti a why

A: Yes, for these two polymers it is possible to decide.

Q: Arrange the following hydrides in the order of acidic strength and justify theorder: PH3, AsH3, NH3…

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Q: (a) What is the oxidation state of P in PO43 - and of N inNO3- ? (b) Why doesn’t N form a stable…

A: The total charge on the molecule or ion is equal to the sum of oxidation state of all the atoms…

Q: 1) The amount of warfarin, used for anticoagulant medications, in a sample was calculated as…

A:

Q: It is a highly corrosive alkali which is used for cleaning, unblocking sinks, drains and toilets.

A: Please find your solution below The highly corrosive alkali which is used for cleaning, unblocking…

Q: Explain the following observations: HI cannot be prepared by treating NaI with sulfuric acid.

A: The given statement is " HI cannot be prepared by treating Na! with sulfuric acid".

Q: Phosphine is a colorless toxic gas. It is a hydride of phosphorus. The chemical formula of this…

A: VSEPR theory helps to determine the geometry of individual molecules from the number of electron…

Q: Some metal oxides, such as Sc2O3, do not react with purewater, but they do react when the solution…

A: Sc2O3 reacts when the solution is acidic. The balanced chemical reaction is:

Q: 17. Which of the following tement All oxides of the s-bleck elements are basic. The solubility of…

A: A) s- block elements are metals and metals form basic oxides. Thus oxides of all s-block elements…

Q: xplain the classification of oxides as basic, acid, amphoteric and neutral. how can we predict…

A: Oxides can be classified as acidic, basic, neutral, and amphoteric. Acidic oxides: Oxides that react…

Q: For the equilibrium H2O (l) = H2O (g), Aps® = 118.9 J/(mol K) and A,H®= 44.0 kJ/mol. Calculate the…

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Q: uestion 23 Arrange the following compounds in order of increasing acidity, putting the least acidic…

A: The lower is th PKa of acid, higher is its acidic strength. So, check for pKa.

Q: Alkaline earth metals are involved in two key diagonal rela-tionships in the periodic table. (a)…

A: (a) Two alkaline earth metals; Be and Mg exhibits diagonal relationship. The pair of elements are…

Q: Hem‎oglobin is sai‎d to be an examp‎le of coordination compou‎nd. This is because a. T‎he molec‎ule…

A: Answer: Coordination compounds are the compounds in which a central metal atom forms coordinate…

Q: Silica (SiO2) is an impurity that must be removed from ametal oxide or sulfide ore when the ore is…

A: Balanced chemical reaction is the chemical equation that contains an equal number of atoms of each…