Explain why solid CO2  is referred to as dry ice.

Q: What are the reasons for choosing oceans for disposing CO2?

A: Oceans absorb carbon dioxide through the process of photosynthesis by plant like organisms which are…

Q: Write the acidic equilibrium equation for HBRO

A: In acidic medium,  BrO- reacts with H+ to form HBrO .

Q: Write the balanced net ionic equation for the precipitation of iron(II) carbonate from aqueous…

A: In a precipitation reaction, two aqueous solutions are reacted to produce a salt that is insoluble…

Q: Which of the following compounds has carbon in the highest oxidation state? A OH B C OH D H E F

A: Oxidation state of an atom= no of valence electron- no of lone pair electrons -half of bonding…

Q: The chemical formula of the white precipitate in test for halogens using silver nitrate test * O…

A: Halogens - These are the group 17 elements of the modern periodic table.

Q: Explain Ostwald process of manufacturing nitric acid(HNO3)

A: There was a German Scientist who developed a process that is useful in manufacturing nitric acid.…

Q: What are the types of formations where CO2 can be sequestered?

A: The sequestering process is basically a removal process or separation process used by the geologists…

Q: 17. Classify Carbon Dioxide (CO2)

A:

Q: What is the gas produced in the reaction of potassium carbonate and hydrochloric acid? a. Cl2 b. СОз…

A: In the Reaction of potassium carbonate with hydrochloric acid, a salt of potassium chloride is…

Q: Indicate the oxidation state of every individual element in the following compounds. Fractional…

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

Q: 4. Part B.2. a. Identify the chemicals necessary to produce CO2(g). b. Writ equation for the…

A: Following is the chemical equation of preparation of Carbon dioxide (CO2) in laboratory.

Q: Why do transition elements show variable oxidation states?

A:

Q: What is the oxidation state of Cl in CaOCl2 ?

A: Chlorine is a halogen which can exist in various oxidation states. Its oxidation states include -1,…

Q: 4.120 You are given two colorless solutions, one containing NaCl and the other sucrose (C12H22O11).…

A: Ionic solid is a compound formed by positive and negative ions held together by strong electrostatic…

Q: Reduction potential is defined as A) O the tendency for a compound to release H+ in solution. B) O…

A: Reduction potential is known as the tendency of species/ions to get reduced in a redox reaction.…

Q: What is the oxidation state of bromine in the compound NaBro,? a) +2 b) -3 c) -4 d) +5

A: Correct answer is (d) +5. NaBrO3  +1 + x + ( -2 x 3) = 0 x = +5

Q: Define osmium tetroxide.

A: Given compound,     Osmium tetroxide

Q: What tests would you use to identify a solution of FeCl3?

A: FeCl3  – is colour of solution, FeCl3 solution has yellow colour.

Q: Write the acidic equilibrium equation for HNO₂

A:

Q: What is the oxidation state of bromine in BrO3–

A: Generally, the oxidation number is also called the oxidation state of that atom. The oxidation…

Q: How do i find the oxidation state of Cr2+ ?

A: Oxidation number is the total number of electrons in an atom after losing or gaining electrons to…

Q: Write a balanced net ionic equation between CaCl2.2H2O and KOH

A:

Q: What is the organic product? Br Br IV II

A:

Q: A 3.00-g sample of an alloy (containing only Pb and Sn) was dissolved in nitric acid (HNO 3).…

A: Given: Mass of alloy sample = 3.00 gMass of PbSO4 precipitated = 1.90 gMolar mass of PbSO4 = 303.3…

Q: Calculate the oxidation state of carbon in CH3OH

A:

Q: When iron rusts it forms Fe 2O 3. Name this product of air oxidation.

A: Name of Fe2O3 is Ferric oxide or iron(III) oxide. Rust is Fe2O3.xH2O . Hydrated ferric oxide is…

Q: A solution of Hg(NO3)2 is mixed with a solution of KBr. Both of these solutions are colorless. A…

A: The chemical formula is a short term notation which is used to represent the no. of atoms present in…

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: Which of the following will form an acidic solution when dissolved in water? A) Sro B) LiO C) MgO D)…

A:

Q: NHz 2.

A: The reactions given are,

Q: Indicate the oxidation state of every individual element in the following compounds. b. CO2 e. CH4

A: Given compounds are carbon dioxide and methane  CO2 - carbon dioxide  and   CH4 - methane

Q: Chemical formula for chromium (III) hydroxide

A: Given  Name of Compound = Chromium ( III ) hydroxide  Formula  = ?

Q: Determine the oxidation state of atom “X” in the compound: H3XO4 .

A:

Q: What is the precipitating agent for Group III anions? Make a balanced chemical equation for the…

A: The process of conversion of a solid from soluble to insoluble form is called precipitation. When…

Q: ammonia have what key substance involved in the reaction?

A: When NH3 React with water then it's will form NH4OH because NH3 is a base it's will abstracted H(+)…

Q: Determine the oxidation number of O in H2O2 :

A: Oxidation Number :- Total number of electrons that an atom loose or get to form a chemical bond is…

Q: Which of the following will not react with FeCl2 (aq) A.   Na (s) B.   KOH (aq) C.   Ca(NO3)2…

A: In this question, we will see which one can not react with FeCl2  You can see details Solution…

Q: What is the oxidation state for carbon in C3O2?

A: Given :-  molecular formula = C3O2  To determine :-  oxidation state of C in C3O2

Q: Oxidation numbers of K2O2?

A: Generally oxygen has oxidation no. -2 but in the O2 condition it has O2(-2)  That change the…

Q: what are the reaction of aqueous solution of Ag+.

A:

Q: As a student, what can you contribute to reduce the adverse effects of too much CO2

A: CO2, Carbon dioxide gas is produced in many ways in our surroundings. Humans are also a source of…

Q: Describe the term Crystal Field?

A: Crytal field theory describes the change in crystal energy resulting from the orientatin of…

Q: C2H6NH2 (1) + O2 (g) –

A: the reaction is as follows:

Q: What is the chemical name for SnO2?

A: Chemical names of compounds are written by first writing the name of cation followed by the name of…

Q: Explain why Transition Elements show variable oxidation states

A: In periodic table, there are four S, P, d ,F block elements are present. Transition metals are…

Q: What is the oxidation state of the carbon indicated by the arrow? OH O a. -2 O b..1 O c. 0 O d. +1…

A:

Q: What is the oxidation state of bromine in the compound HBrO3?

A: Oxidation state can be calculated as below : Sum of Oxidation state of each atom  = charge of…

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: 1. is released during the production of clinker. а. СаСОз b. CO2 с. Са (ОН)2 d. CO

A: During the production of clinker following steps occurs