Question

Main constituent of alkali is....... Fill up the blank and give reason.

Answer 1

Alkali salts are soluble hydroxides of alkali metals and alkaline earth metals, of which common examples are: Sodium hydroxide – often called "caustic soda"Potassium hydroxide – commonly called "caustic potash" Lye – generic term for either of the previous two or even for a mixture.

Answer 2

Dear Student,

◆ Answer -

Main constituent of alkali is hydroxyl (OH-) ion.

● Extra information -

• Bases are chemical substances that release OH- ion in aqueous solution.
• Acids are chemical substances that release H+ ion in aqueous solution.
• Main constituent of alkali is hydroxyl (OH-) ion while that of acid is hydrogen (H+) ion.
• Example of bases - NaOH, KOH, etc. Example of acids - HCl, HNO3, etc.

Hope this helps you..