What product is formed when potassium metal reacts with oxygen gas?          (A) K2O          (B) KO          (C) KO2          (D) K2O2

Q: Question 7 A through G

A:

Q: What is the oxidation state of Cl in Ca(ClO)2

A: Given  Ca(ClO)2 then we have find the oxidation state of Cl

Q: What is the oxidation state of chlorine in the compound KClO3?            (A) -1           (B) +1…

A: Given compound is KCIO3 We know oxidation state of K =+1 Oxidation state of oxygen =-2 Oxidation…

Q: Account for the following : (a) Copper shows its inability to liberate hydrogen gas from the acids.…

A: Oxidation is the process that involved the loss of electrons and oxidized to cation.  Hence when a…

Q: Which metal show +8 oxidation state? (a) Te (b) Ru (c) Re (d) OS

A: Both Ruthenium (Ru) and Osmium (Os) can exhibit the +8 oxidation state in some compounds.

Q: what is the reaction in FeCl3 + pb(no3)2

A: Iron(III) chloride reacts with Pb(II) nitrate to form the precipitate of Pb(II) chloride and…

Q: A blast furnace uses Fe₂O₃ to produce 8400. t of Fe per day.(a) What mass of CO₂ is produced each…

A: a) The chemical reaction that occurs in the blast furnace to produce iron is as follows,

Q: +2 +3 -3 -2 Calculate the oxidation state of N in (NH4)+¹

A: Oxidation numberThe oxidation number is defined as  number of electrons that can participate or lost…

Q: Br CN CN (a) (b) / CN (c) NC Br (d) (e)

A: The product will be having opposite stereochemistry.

Q: Predict the Product and balance the following reaction, including physical state.…

A: Fe(C2H3O2)2(aq)+Li2S(aq)=Fes(aq)+2HC2H3O2

Q: What is the product of the following reaction? OCH 3 (a) Br NC OCH 3 KCN DMSO (b) Br CN (c) CN (d)…

A: Alkyl halides react with sodium cyanide by nucleophilic substitution reaction mechanism to form…

Q: Radioactive Cobalt isotope Co57 is preferred as a diagnostic agent over Co60 due to the exclusively…

A: Radioactivity is the process of emission of radiation in form of particles or in form of photons.…

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the…

A: To calculate the moles of alum formed from the given number of moles of each reagent, we would use…

Q: Br Br 2 NaNH2 (a) NH2 (b) NH (c) Br (d) NH2 (e)

A: Alkyl halide gives an elimination reaction in presence of a strong base. The reaction is proceeded…

Q: 2. Assuming that 1/2 of the original amount of copper was used as the starting material in the…

A: Given that -  Mass of copper initially used as 1/2 of starting amount = 1.316÷2 = 0.658 g    And…

Q: What is the name of the compound?

A: Since, For write a coordination compound name according to IUPAC rules are: 1)Identify the central…

Q: What is the oxidation state of osmium in 7B and 7C, respectively? (a) 6, 8 7A + = O =Os <<=0 (b) 8,…

A: Charge appear or seems to be appear on an element of a molecule known as oxidation number of element…

Q: Write the net ionic equation for the reaction of magnese (ll) chloride with hydrogen sulfide gas

A: For balancing a chemical equation, the number of each atom must be same on either side of the…

Q: The oxidation state of chromium in CrAsO4 is:                     (a)   0                    (b)…

A: Oxidation State is the imaginary or fictitious charge developed on an atom if all shared electrons…

Q: Write the balanced NET ionic equation for the reaction when Mn(C₂H₃O₂)₄ and (NH₄)₂S are mixed in…

A: Net Ionic equation , we only write the ions which takes part in the chemical reaction. We eliminate…

Q: How many valence electrons surround the metal atom in potassium ferrioxalate (K3[Fe(C2O4)³])?

A: We are given a complex.

Q: How would you draw the isomer structure(s) for [Fe(C2O4)2(H2O)2] 0

A: Since, Isomer are those whose molecular formula same but structural formula is different. Thus,

Q: Write the electron configurations for each of the following elements and its ions:(a) Ti(b) Ti2+(c)…

A: (a) The atomic number of Ti is 22, so the number of electrons in Ti is 22. Hence, the electronic…

Q: What are the oxidation numbers of Fe(ClO3)3?

A: Given,  Fe(ClO3)3 The oxidation number of Oxygen is = -2  And the oxidation number of Cl = -1