Group 2 Hydroxides: Reactivity with Water and Classification

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In summary, Group 2 hydroxides are highly reactive with water and can undergo hydrolysis to form corresponding metal hydroxides and hydrogen gas. The reactivity of these hydroxides increases as you move down the group, with beryllium hydroxide being the least reactive and barium hydroxide being the most reactive. Group 2 hydroxides are classified as strong bases due to their ability to release hydroxide ions in aqueous solutions and neutralize acids. They also have a variety of industrial and laboratory applications, such as in the production of soaps and detergents, as well as in water treatment processes.
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_Greg_
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The question is:

For the hydroxide compounds of Group 2, state and explain the trend in reaction with water and classification.

Iv done quite a bit of searching on the topic but haven't found much. On wiki it mentions the hydrolysis of metal hydroxides but doesn't give any info on it.

can anyone help me out?
 
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  • #3
_Greg_ said:
The question is:

For the hydroxide compounds of Group 2, state and explain the trend in reaction with water and classification.

Iv done quite a bit of searching on the topic but haven't found much. On wiki it mentions the hydrolysis of metal hydroxides but doesn't give any info on it.

can anyone help me out?

Are you sure that you understood the question clearly? I wouldn't consider that Group II hydroxides react with water but are dissociated by them to varying degrees. Could this be what the question asks?
 
  • #4
you must be right, i can't find any info on it. reaction is a bit misleading.
cheers
 

1. What are Group 2 hydroxides?

Group 2 hydroxides are a set of compounds in the periodic table belonging to the second column, or Group 2, of elements. These elements are also known as the alkaline earth metals and include beryllium, magnesium, calcium, strontium, barium, and radium.

2. What is the chemical formula for Group 2 hydroxides?

The general chemical formula for Group 2 hydroxides is MOH, where M represents the metal cation. For example, calcium hydroxide has the chemical formula Ca(OH)2.

3. What are the physical and chemical properties of Group 2 hydroxides?

Group 2 hydroxides have similar physical and chemical properties due to their similar electronic configurations. They are all white, crystalline solids with high melting and boiling points. They are also basic in nature and readily react with acids to form salts and water.

4. How are Group 2 hydroxides used in everyday life?

Group 2 hydroxides have many practical applications. For example, calcium hydroxide is used in agriculture to neutralize acidic soils, while magnesium hydroxide is used as an antacid in medicine. Strontium hydroxide is used in the production of ceramics and barium hydroxide is used in the production of lubricating oils.

5. What are the hazards associated with Group 2 hydroxides?

Group 2 hydroxides can be hazardous if ingested or inhaled in large amounts. They can cause irritation to the skin, eyes, and respiratory tract. They are also corrosive to metal surfaces and can react violently with certain chemicals. Proper handling and use of protective equipment is necessary when working with Group 2 hydroxides.

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