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

Q: What correlation, if any, exists for the Period 2 elements between group number and the number of…

A: The number of electrons in an element is equal to its atomic number. In order to become stable an…

Q: Write the equation for the reaction of:(a) Iron with steam(b) Calcium with water(c) Potassium with…

A:

Q: ᴄᴀʟᴄᴜʟᴀᴛᴇ ᴛʜᴇ ᴅᴇɴꜱɪᴛʏ ᴏꜰ ᴘᴜʀᴇ ᴍᴇᴛᴀʟꜱ, ᴇxᴘʀᴇꜱꜱ ʏᴏᴜʀ ᴀɴꜱᴡᴇʀ ɪɴ ᴋɢ/ᴍ3 ᴀ. Iron @ ꜰʙᴄ ᴀɴᴅ ꜰᴄᴄ ʙ. ᴄopper…

A: The solution of the question is given below:

Q: Which of these two oxides, SO3 and P4O10 , when reacts with water will produce stronger acid?

A: P4O10 and SO3 are acidic oxides and when they combine with water forms acids.

Q: A halogen (X2) disproportionates in base in several steps to X- and XO3-. Write the overall equation…

A: Redox reaction leads to oxidation and reduction processes simultaneously. Oxidation and reduction…

Q: How do atomic properties account for the low densities of the Group 1A(1) elements?

A: Alkali metals are the s-block elements belonging to the group IA(1) in the periodic table. The…

Q: rank the following ions in the order of increasing strength as oxidizing agents: NO3 -1aq2, Ag+1aq2,…

A: In a chemical reaction if a species looses electron, this process is called oxidation. If a species…

Q: What are amphoteric oxides? Give two examples of amphoteric oxides.

A: Oxides of metals which have both acidic as well as basic properties are called amphoteric oxides.…

Q: How do atomic properties account for the low densities ofthe Group 1A(1) elements?

A: Alkali metals are the s-block elements belonging to the group IA(1) in the periodic table. The…

Q: How are ionic hydrides formed?

A: Ionic hydrides are compounds that form between hydrogen and highly active metals, mainly with the…

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: State the trends in the following chemical properties of period 3 elements: A. Reaction with water…

A: Period 3 elements: The elements belong to period 3 are Sodium (Na), Magnesium (Mg), Aluminum (Al),…

Q: Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction…

A: As, Potassium dichromate is powerful oxidising agent in acidic medium.  And in Presence of dilute…

Q: Write a balanced chemical reaction for the reaction of zinc with iodine, assuming that zinc and…

A: Balanced chemical equation is defined as a chemical equation in which the product side and the…

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 net ionic equation for the reaction of magnesium with nitric acid. Include phrases

A: When magnesium reacts with very dilute nitric acid, it forms magnesium nitrate and hydrogen gas is…

Q: Why can co-ordinate bonds be formed between transition metal ions and water molecules

A: Answer

Q: Magnesium carbonate is soluble in water (100 mg / L) whereas strontium carbonate is only slightly…

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Q: Why is red phosphorus denser and less chemically reactive than whitephosphorus?

A:

Q: Describe the chemical and physical properties of Potassium ?

A: Potassium (symbol K) is an element of the group 1 (alkali metals) of the periodic table. The atomic…

Q: Write the chemical formula for tellurium hexaiodide

A:

Q: Strontium crystal has a mass density of 2.64 g/cm' and a molar mass of 87.62 g/mol Estimate the…

A: Answer is explained below.

Q: Is potassium acetate, KC2H3O2, an acidic or basic salt and why?

A: Potassium acetate:

Q: Which halogen has the greatest ionization energy? Is that what you would predict based on what you…

A: The minimum amount of energy that is required to remove the electron from an outer valence shell of…

Q: Would you expect technetium(II) oxide, TcO, to react more readily with HBr(aq) or NaOH(aq)

A: technetium(II) oxide, TcO being a metal oxide is basic in nature. Therefore, it will react more…

Q: How do the acidities of the aqueous solutions of the alkaline earth metal ions change in going down…

A:

Q: Why does the ionization enthalpy gradually decreases in a group?

A: In a group of the periodic table,         The atomic size increases from top to bottom.         The…

Q: Name two metals which occur in nature as oxides.

A: Metals are the elements which lose electrons to acquire a stable electronic configuration. When loss…

Q: Which of the following will occur as oxide in nature? a. Aluminum ion b. Mercury(II) ion c.…

A: The naturally occurring oxides has to be given,

Q: 4. Which of the unknown metals has the highest ionization tendency? Explain your answer. 5. Which…

A: 4)Ans. Zn has highest ionisation tendency.              In 3d series, from left to right atomic…

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: Why is Group I elements known as the most electropositive element?

A: Electropositive nature of the elements is determined by their ability to lose the valence electrons.…

Q: Describe the term Crystal Field?

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

Q: A solution of potassium chloride is neutral whereas a solution of bismuth (III) chloride is quite…

A: Potassium chloride (KCl) is the salt of a strong acid, HCl and strong base, KOH. Potassium ions (K+)…

Q: In the alkali metal group, the Cesium is less reactive than lithium.

A: To find: Whether the given statement is true or false.

Q: How do Groups 1A(1) and 2A(2) compare with respect to reaction of the metals with water?

A: Group 1A is called alkaline metal while the 2A is called alkaline earth metals. Both react in a…

Q: Why do alkaline earth metals have low ionization enthalpy?

A: Solution;- Alkaline earth metals have the lowest ionization enthalpy

Q: Why are melting and boiling points of alkali metals low?

A: Melting point and boiling point depends on the intermolecular forces. Higher the intermolecular…

Q: Why K2O is diamagnetic in nature?

A: K2O form superoxide ion O2- in which there is an unpaired electron present in anti-bonding orbital.

Q: Out of white phosphorus and red phosphorus, which one is more reactive and why?

A: Allotropes are usually different structural modification of an element. White phosphorus and red…

Q: What is the main characteristic that determines whether or not an element is a main-group element?

A: Transition metal elements forms covalent bond easily with other elements than the Main group…

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,

Q: Explain why Aluminium oxide is said to be amphoteric

A: