Why is HF a weak acid in water while HCl, HBr, and HI are strong acids?

Q: What is the oxidation number of H in NaH?

A: Given :-  Chemical formula = NaH  To determine :-  Oxidation number of H in NaH

Q: Obtain the oxidation number for the N in NH3. O-3 O+4 O+3 00

A: Oxidation number is the charge present in the atom in a chemical species by assuming the compound is…

Q: What happens if emitted sulfur dioxide is oxidized to sulfur trioxide? Explain in detail.

A: If emitted sulfur dioxide is oxidized to sulfur trioxide what will happen has to be explained.

Q: Suggest the balanced chemical equations for the reaction between the following pairs of compounds.…

A:

Q: why HCHO behaves both as oxidising and reducing agent?

A: In formaldehyde the oxidation state of carbon is 0.

Q: The oxidation number of Cl in HClO₂ is

A:

Q: What is the oxidation state of H in lithium hydride (LiH)

A: Interpretation-  To tell about the oxidation state of H in the lithium hydride (LiH ) .…

Q: Explain why HF is a weak acid, whereas HCl, HBr, and HI are all strong acids.

A: Given : HF is a weak acid while HCl, HBr and HI are strong acids.

Q: What are the oxidation numbers of the nitrogen atoms in nitric acid

A:

Q: Why HNO2 behaves both as oxidising as well as reducing agent?

A: Redox reaction is the reaction in which oxidation and reduction occur simultaneously. Oxidation is…

Q: What does it mean to say that mercury(II) halides are weak electrolytes?

A:

Q: What is the reaction between sodium hydroxide and water? And why do you feel heat once you mix them…

A: Reaction between water and NaOH.  NaOH(s)  + H2O ---> NaOH(aq.)

Q: Write the chemical formula for sulfurous acid.

A: given :-  name of compound = sulfurous acid  to determine :-  It's chemical formula

Q: What is the oxidation state of H in N2H4?

A: In N2H4, nitrogen is more electronegative than hydrogen. The overall charge on the compound is…

Q: U, NH, 14.) The shown reaction is an example of:

A: Li (or) Na metal in liquid ammonia is called birch reagent it is used for reduction. Alkynes upon…

Q: The oxidation number of sulfur in Fe2(S2O8)3 is what?

A: Here we have to find out the oxidation number of sulfur in Fe2(S2O8)3

Q: 4. What is the oxidation state of oxygen in nitric acid?

A: The chemical formula of nitric acid is HNO3.

Q: 1. Is hydrogen a feasible replacement for fossil fuel to address future global demand?

A: The hydrogen economy is the use of hydrogen as a low carbon fuel, particularly for heat; but also…

Q: The elements sodium, aluminum, and chlorine are in the same period. (a) Which has the greatest…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Write the balanced equation for the reaction of nitrogen with hydrogen to form ammonia

A:

Q: Magnesium metal reacts with aqueous sulfuric acid solution to produce magnesium sulfate (in…

A: an increase in oxidation number means oxidation  a decrease in the oxidation number means the…

Q: Which of the following elements does hydrogen not react with? Carbon Nitrogen Oxygen O Sulfur

A: Given that a question in carbon, nitrogen, oxygen and sulphur element .   We have difine a which…

Q: Write the balanced equation for the neutralization reaction between H, SO, and KOH in aqueous…

A: When an acid reacts with a base it produces salt and water. Such reactions are known as acid-base…

Q: Which of the two will be chemically more reactive, Sulphur(S) with atomic number 16 or Chlorine (Cl)…

A: The electronic configurations of Chlorine and Sulphur are shown below: Cl - 1s2 2s2 2p6 3s2 3p5 S -…

Q: Explain why tin has a sn

A: Answer - first ionization energy - the first ionization energy of an element is the energy needed to…

Q: Explain the chemical bonding between Ca and Cl atoms with the help of Lewis electron dot structure?

A:

Q: Write balanced chemical equations for the following reactions:(a) sodium oxide added to water(b)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Explain how fossil fuels, which are made of carbon and hydrogen, contain sulfur compounds.

A: Solution : Fossil fuels are found in the Earth's crust and contain carbon and hydrogen…

Q: What is the oxidation number of nitrogen in NH3 ?

A: Given : formula of compound

Q: what occurs when hydrogen reacts with oxygen to form water?

A: Formation of water molecule is an exothermic reaction

Q: The usual oxidation state of boron and aluminum is +3, whereas the heavier elements in group 13 have…

A: Answer  The main difference between group 13 element lighter and…

Q: What is the medical use of barium sulfate?

A: To Solve this problem we have to know the use of  barium sulfate .

Q: Explain why sulfuric acid, H2SO4, which is a covalent molecule, dissolves in water and produces a…

A: When sulfuric acid is brought in contact with water, it starts behaving as a Bronsted–Lowry acid. It…

Q: Define alkaline

A: ANSWER

Q: What does hydrogen have in common with the halogens?Explain.

A: The periodic table gives the tabular arrangement of elements arranged in increasing order of the…

Q: (a) Heavy fuel oils may contain sulphur and vanadium as impunties. Write a balanced chemical…

A: (a)  1) Combustion of Sulphur to produce Sulphur dioxide : 2) Oxidation of Sulphur dioxide to…

Q: Chlorine gas is used in the production of many other chemicals, including carbon tetrachloride,…

A: Given: Volume of chlorine gas produced at STP = 5.9 ✕ 105 L Known: Molar mass of NaCl = 58.44 g/mol

Q: Write the balanced equation for the complete oxydation of C4H8O.

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Write the complete balanced equation for the precipitation reaction in aqueous solution of barium…

A:

Q: Why is Li best reducing agent where as Fluorine is best oxidizing agent ?

A: Reducing agents are the ones which helps in the reduction of other substances and itself gets…

Q: Write an equation for the reaction of potassium metal with hydrochloric acid

A: Potassium is very reactive metal and have tendency to loss electron. It reacts with HCL very fast.

Q: What are the oxidation numbers of each sulfur molecule in H2S4

A: In the compound given, the central atoms can only be S because there is only 1 valence electrons in…

Q: Explain the reaction that occur between hydrogen and chlor

A: Given,

Q: Why is hydrochloric acid used instead of sulfuric acid in the preparation of boric acid?

A: Boric acid - Its formula is H3BO3

Q: What amount of NaOH is produced in reaction with 2.25 g Na with water?

A: Given: Mass of Na = 2.25 g Known: Molar mass of Na = 23 g/mol Molar mass of NaOH = 40 g/mol

Q: The halogens form oxoacids with different amounts of oxygen. Explain why HClO4  is a stronger acid…

A: The structures of HClO4 and HClO2 can be shown below,