What is the oxidation number of Cl in the hypochlorite ion?

Q: Which element is oxidized in this reaction? Zno+ C→Zn +CO

A: The reaction given is  => ZnO + C --------> Zn + CO

Q: What is the balanced equation for magnesium reacts with silver nitrate solution?

A: When magnesium reacts with silver nitrate results into the oxidation of Mg and reduction of silver.…

Q: What are the oxidation numbers of the elements in the nitrite ion?

A: The formula for nitrite ion is NO2-.

Q: Among Fe, Cu, Al and Pb, which metal (s) can not be obtained by smelting.

A: The arrangement of metals according to their decreasing order of reactivity is termed as reactivity…

Q: Copper corrodes to cuprous oxide, Cu2O, or cupric oxide, CuO, depending on environmental…

A: The oxidation state of copper in cupric oxide is to be calculated

Q: Complete and balance the following half-reaction in acidic solution TiO:(s) → Ti2-(aq)

A:

Q: What is the oxidation number of O in KMnO4 (OR K Mn O4)?

A: Given  Molecule  =  KMnO4 Oxidation number of O = ?

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: What is the oxidation number of the Chromium atom in K2Cr2O7?

A: Oxidation number is the number of electrons gained or lost by an element.

Q: What is the oxidation state of each element in Mn(Cro, ),? Cr Mn

A:

Q: What specific features qualify hypochlorite as a "Green" oxidant?

A: Green oxidation: The oxidation process in which O is added or H is removed from substrate leading to…

Q: Draw the structure of MnO2

A: Molecular geometry is the 3-D representation of the molecule in a space. As the Lewis model is not…

Q: How are each of the following involved in iron metallurgy:(a) slag; (b) pig iron; (c) steel; (d)…

A:

Q: What is the redox reaction of hypochlorite if titrated with sodium thiosulfate?

A: Redox reaction: It is a kind of reaction in which one species is oxidized and while the other is…

Q: What is happening to the iridium in this reaction ? Ir(CO3)2 + Fe → Ir + Fe(CO3)3 A. oxidation B.…

A: Oxidation is loss of electrons. Reduction is gain of electron.

Q: How many grams of chromium metal will be deposited from a solution that contains Cr ions if a…

A: By faraday's law of electrolysis, m=ZIt Here m is the mass of Cr3+ in grams. Z is electrochemical…

Q: What is the oxidation number of chromium in sodium dichromate, Na 2Cr 2O 7?     +6     +7     +12…

A: oxidation number is the total number of electrons gain and lost by the atom in order to form the…

Q: what is the oxidation number of oxygen atoms in MnO2?

A: The oxidation number is zero for the summation of the oxidation numbers complete atoms in a complete…

Q: Which one of these metals reacts with an acid to produce hydrogen gas? Hg, Cr, or Pt?

A: We can solve this problem by knowing the activity series of metals.  The most reactive  metal can…

Q: what is the structural requirement for a substance to react with the ferric chloride?

A:

Q: The sulphide ore among the following is(a) haematite(b) bauxite(c) argentite(d) zinc blende

A: Minerals are the natural materials in which the metals and their compounds are found in earth. Ores…

Q: Calculate the final mineral percentages in the rock from the given oxides. Explain.

A: Oxide Weight% Molecular weight Molecular proportion SiO2 47.9 60.1 0.797 Al2O3 3.68 101.96 0.036…

Q: Which of the following elements is most likely to be used to prepare La by the reduction of La2O3:…

A:

Q: What factors determine which reducing agent is selected for producing a specific metal?

A: The reactions in which oxidation and reduction happen simultaneously are called redox reactions.…

Q: Which of the following is the source of common salt?   A.  BauxiteB.  PyriteC.  CalciteD.  Halite

A: Common salt is Sodium chloride.  It is also known as table salt or rock salt.  NaCl is the chemical…

Q: What is the oxidation number of K in KMnO4 (OR K Mn O4)?

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: What is the oxidation number of the chromium atom in K7Cr2O7?

A: Given-> I think there is  K2Cr2O7

Q: What is the oxidation number of the chromium atom in K2Cro4?

A:

Q: Would you please discuss the importance of the reducing and oxidizing power of an ore?

A: Answer - Ore - A naturally occurring mineral containing a valuable constituent (such as metal) for…

Q: Q 7: Calculate the oxidation number of chromium in CrO,².

A:

Q: Why do alkali metals and salts impart color to an oxidizing flame?

A: The group 1 elements are called alkali metals. It includes lithium, sodium, potassium, rubidium,…

Q: The change in Oxidation number of 'Mn' in the following reaction is MnO4 MnO2 O 2 O 4 O 3 O 7

A: Oxidation number :-  The charge acquired by an atom in a molecule because of electronegativity…

Q: What is the oxidation number of Mn in: MnO2

A:

Q: What is the oxidation number of the titanium atom in TiCl4? Name the compound using a Roman numeral

A: Interpretation - To find the oxidation number of the titanium atom in TiCl4 and name the compound…

Q: What are the oxidation numbers of the Group I, Group II, and Group III metal cations?

A: We have to tell the oxidation states of group I, group II and group III metal cations.

Q: 7. Note that there are two entries for oxygen gas on the table of standard reduction potentials, one…

A: Under acidic conditions: Reduction potential of oxygen gas = + 1.229 V Under basic conditions:…

Q: Name two metals which are found in nature in the free state.

A: SOLUTION: Step 1: The metals which are least reactive in the reactivity series occur in the free…

Q: What is the oxidation number of molybdenum in sodium molybdate (Na2MoO4)? (Sodium has an oxidation…

A: Sodium molybdate = Na2MoO4 Sodium(Na) has +1 oxidation number  Let x is the oxidation number of Mo

Q: Which of the following metals is least active? O Ca OK Pt O Li O AI

A: Given,

Q: Why some of the heavier p block elements shows two oxidation states?

A: A species gains or loses electrons to form anions or cations respectively. A gain in electron is…

Q: What is one species that could spontaneously reduce elemental bromine to bromide ions? Write the…

A: The species which can spontaneously reduce elemental bromine to bromide ions is the one which has…

Q: Calsium carbide lamps were earlier used in mines. Write the reaction equation for the working of…

A: Answer:

Q: Copper corrodes to cuprous oxide, Cu2O, or cupric oxide, CuO, depending on environmental conditions.…

A: It is given that copper corrodes to cuprous oxide i.e. Cu2O or cupric oxide i.e. CuO, and the…

Q: The process under which an atom gains electrons is called Redox Reduction O Oxidatio

A: Given statement is :  The process under which an atom gains electrons is called ?  Options are :  a.…

Q: aluminium is most abundant in earth crust yet it is obtained from bauxite. why?

A: Though Aluminum is the most abundant in earth crust it is obtained from bauxite. Bauxite (ore) is…

Q: What substance is present if the iodine test gives a red color change?

A: The iodine test is performed to check for presence of starch in carbohydrates. Since iodine is not…

Q: What is one species that could spontaneously oxidize metallic silver to silver cations? Write the…

A:

Q: What is the most stable oxidation state of chromium in acid and base?

A: In acid chromium in +6 oxidation states more stable (CrO4 -2)