Question

Which one of the following is an example of weak base? a. Sodium hydroxide b. Potassium hydroxide c. Magnesium hydroxide d. Calcium hydroxide

Answer 1

Explanation:

......helo mate..

option D ..among others....

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Answer 2

An example of the weak base  is Magnesium hydroxide.

• As proposed by Arrhenius in 1884, the base is a chemical compound that breaks to give hydroxide ions in an aqueous solution.
• Another definition of base is that base is a substance that accepts protons and gives away elections.
• The bitter taste and soapy texture of bases are two of their most prevalent characteristics.
• A base is a chemical that produces the hydroxyl ion (OH–) in water.
• Bases turn the colour of red litmus paper to blue
• A strong base is a fully ionic substance such as sodium hydroxide or potassium hydroxide.
• In solution, the molecule can be thought of as being completely broken up into metal ions and hydroxide ions.
• Weak bases are basic compounds that when dissolved in liquids do not entirely break down into their constituent ions.
• As a result, when the weak base is dissolved in a solution, some of it dissociates into hydroxide anions and the corresponding conjugate acid, while the rest stays undissociated inside the solution.
• The solution of a weak base has fewer ions than a solution of a strong one, and therefore it has a lower electrical conductivity
• Strong bases fully dissociate to give ions in solution.
• They have pH between 10 and 14.
• The strong bases are highly reactive.
• They are good electrolytes.
• The ability of a solution to conduct electricity depends on the concentration of ions.
• A strong base has more ions in the solution than a weak one, so it has a higher electrical conductivity.

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