0
Add your answer:
Earn +20 pts
How might cations in group 1 be separated from cations in group 2?
One method is precipitation using selective reagents. For example, adding sodium carbonate to the mixture will precipitate group 2 cations as carbonates while leaving group 1 cations in solution. Group 1 cations can then be separated by changing pH or using another selective reagent.
What is group reagent?
the separation of insoluble precipitated with the treatment of various precipitant called group reagent
What specific reagent precipitates the cations of group 2?
Ammonium carbonate ((NH4)2CO3) is a specific reagent that precipitates the cations of group 2 in qualitative analysis. It forms insoluble carbonates with cations such as calcium, strontium, and barium, allowing for their separation from other cations in the group.
Where is cation on the periodic table?
Periodic table consists of elements not cations. However group 1 and group 2 elements (left side of the periodic table) are elements which will form cations easily.
What is the group in the periodic table for cations whose charge is 2?
Group 2, alkali earth metals.
How might cations in group 1 be separated from cations in group 2?
One method is precipitation using selective reagents. For example, adding sodium carbonate to the mixture will precipitate group 2 cations as carbonates while leaving group 1 cations in solution. Group 1 cations can then be separated by changing pH or using another selective reagent.
Why are the group 1 cations removed as insoluble chlorides?
Group 1 cations (Li+, Na+, K+) are removed as insoluble chlorides (LiCl, NaCl, KCl) because they form stable and insoluble precipitates with chloride ions in acidic solutions. This precipitation process allows for the separation of group 1 cations from other cations present in the solution.
Can group 1 and 2 elements become cations when they form ionic bonds?
Yes, group 1 and 2 elements can become cations when they form ionic bonds. Group 1 elements, such as sodium, readily lose one electron to become sodium cations with a +1 charge. Group 2 elements, such as magnesium, lose two electrons to become magnesium cations with a +2 charge in ionic compounds.
Is group 7A cations?
Group 7A cations refer to the cations of Group 7A elements in the periodic table, also known as the halogens. Some common examples of Group 7A cations include fluoride (F-), chloride (Cl-), bromide (Br-), and iodide (I-).
What is group reagent?
the separation of insoluble precipitated with the treatment of various precipitant called group reagent
Why are elements in group one of the periodic table cations?
The elements of group 1 has 1 valence electron. They lose 1 electron to form cation.
What is the ratio of anion to cations in a compound formed by a group 2A metal and a group 7A nonmetal?
1 to 2
What group is cations in?
Cations are positively charged ions that are formed when an atom loses electrons. They are typically found in the group 1 and group 2 elements of the periodic table, as well as transition metals that can exhibit multiple oxidation states.
What specific reagent precipitates the cations of group 2?
Ammonium carbonate ((NH4)2CO3) is a specific reagent that precipitates the cations of group 2 in qualitative analysis. It forms insoluble carbonates with cations such as calcium, strontium, and barium, allowing for their separation from other cations in the group.
What group of elements forms 1 cations?
Alkali metals, Li Na K etc
Elements in group 1 of the periodic table lose one electron to form ions with what?
These cations have the electrical charge +1.
Do element in the s block have more than one charge?
Usually these elements have a single valency. Those in group 1 form singly charged cations while those in group 2 form doubly charged cations.
