- What is active metal series?
- What metals are low in the activity series?
- Is nickel more reactive than copper?
- Why is calcium more reactive than magnesium in terms of electronic configuration?
- What is the Colour of magnesium salt?
- What color is magnesium in water?
- What happens when magnesium touches water?
- How do you calculate magnesium in water?
- How do you measure calcium and magnesium in water?
- How can we remove permanent hard water?
The activity series of metals is an empirical tool used to predict products in displacement reactions and reactivity of metals with water and acids in replacement reactions and ore extraction. It can be used to predict the products in similar reactions involving a different metal.
What is active metal series?
The reactivity series is a series of metals, in order of reactivity from highest to lowest. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series.
What metals are low in the activity series?
Metals that are low in the activity series are very un-reactive. The oxides of these metals can be reduced to metals by heating alone. For example, mercury is obtained from its ore, cinnabar (HgS), by the process of heating.
Is nickel more reactive than copper?
This article is on reactivity series of metals. The transition metals (such as iron, copper, zinc, and nickel) are slower to oxidize because they form a passive layer of oxide that protects the interior. Others, like palladium, platinum and gold do not react with the atmosphere at all.
Why is calcium more reactive than magnesium in terms of electronic configuration?
Calcium is more reactive than magnesium because it is larger than a magnesium atom because it has one more energy level. Therefore, calcium is more reactive than magnesium because the valence electrons on the calcium atom is farther from the nucleus. In other words, calcium is more electropositive than magnesium.
What is the Colour of magnesium salt?
What color is magnesium in water?
R e a g e n t: 0,1Yo solution in water. In alkaline medium the color is red, in presence of magnesium, cobalt, or nickel a brilliant violet color develops.
What happens when magnesium touches water?
When magnesium interacts with water, it will form a hydrogen gas that ignites violently due to the excessive heat and oxygen supply. When it reacts, it will burn hot enough to decrease the water molecule, which turns to a Hydrogen Gas.
How do you calculate magnesium in water?
The total hardness is determined by the sum of Ca and Mg: TH = (2×1.40 + 2×0.23) meq/L = 3.26 meq/L – as presented in the diagram above. We use the same example water C1.
How do you measure calcium and magnesium in water?
This can be determined using atomic absorption spectroscopy (AA) or inductively coupled plasma atomic emission spectroscopy (ICP). However, a much simpler way is by ionizing acid-bound calcium using acidizing pretreatment. The LAQUAtwin Ca2+ can be used to measure the total amount of calcium.
How can we remove permanent hard water?
We use certain chemical methods to remove the permanent hardness of water, which are: Treating the Water with Washing Soda….Permanent Hardness of Water
- CaSO4, and.