Table of Contents
Which of aqueous solution is Coloured?
Color of Transition Metal Ions in Aqueous Solution
Transition Metal Ion | Color |
---|---|
Cu2+ | blue-green |
Fe2+ | olive green |
Ni2+ | bright green |
Fe3+ | brown to yellow |
Which salt will give aqueous solution?
(b) An example of a salt that gives an aqueous solution having pH equal to 7 is Sodium chloride, NaCl.
What determines the color of a solution?
The ‘colour’ of an object is the wavelengths of light that it reflects. This is determined by the arrangement of electrons in the atoms of that substance that will absorb and re-emit photons of particular energies according to complicated quantum laws.
Which of the following are Coloured in aqueous solution and why?
Answer: Ti3+ (3d1), Mn2+ (3d5), Fe3+ (3d5), Co2+ (3d8) ions are coloured in aqueous solutions. This due to the presence of partially filled d-subshell (or presence of unpaired electrons).
Which of the following ion is blue Coloured in its aqueous solution?
V4+ ion
In aqueous solution, where H2O molecules are ligands, the V4+ ion is blue in color.
Is NH4Cl a neutral salt?
Ammonium chloride (chemical formula NH4Cl) is an acidic salt since it is a salt of a strong acid, namely hydrochloric acid, and a weak base, namely ammonium hydroxide.
Which of the following salts forms an acidic aqueous solution?
So, our correct choice is (C) Ammonium chloride because it has a strong conjugate acid NH+ which will make solution acidic.
Why does a blue solution appear blue?
For example, a solution which appears blue does so because the blue wavelength region of the spectrum of the white light of the room, which is composed of all wavelengths, is not being absorbed by the solution, whereas significant absorption is taking place for the non-blue wavelength regions of the visible spectrum.
Which ions is blue in Colour in aqueous solution?
Aqueous Cu^+2 ions are blue in color, where as aqueous Zn^+2 ions are colorless.
Is salt water an aqueous solution?
This is how we represent salt water. It’s an aqueous solution of plain old table salt, chemical formula NaCl for sodium chloride, dissolved in water.
What are the three types of aqueous solution?
There are three main types of aqueous reactions and these are known as precipitation reactions, acid-base reactions and oxidation-reduction reactions.
What happens when aqueous solutions of salts react with water?
Aqueous Solutions of Salts. Salts, when placed in water, will often react with the water to produce H 3O + or OH -. This is known as a hydrolysis reaction. Based on how strong the ion acts as an acid or base, it will produce varying pH levels. When water and salts react, there are many possibilities due to the varying structures of salts.
What is the color of transition metal ion in aqueous solution?
Color of Transition Metal Ions in Aqueous Solution Transition Metal Ion Color Co 2+ pink Cu 2+ blue-green Fe 2+ olive green Ni 2+ bright green
Does salt dissociate into spectator ions?
In General: Salts containing halides (except F -) and an alkaline metal (except Be 2+) will dissociate into spectator ions. Salts that are from strong bases and weak acids do hydrolyze, which gives it a pH greater than 7.
Why is water attracted to the sodium chloride crystal?
Water is attracted to the sodium chloride crystal because water is polar; it has both a positive and a negative end. The positively charged sodium ions in the crystal attract the oxygen end of the water molecules because they are partially negative.