Chemistry - Study Mode

[#246] The unit of ionic product of water (Kw) is :
Correct Answer

(B) Mol 2 let -2

Explanation

Solution: The unit of ionic product of water (Kw) is Mol 2 let -2 .

[#247] Aluminium chloride is
Correct Answer

(C) Lewis Acid

Explanation

Solution: Aluminium chloride is Lewis acid.

[#248] The gas dissolved in water that makes it basic is :
Correct Answer

(A) Ammonia

Explanation

Solution: Ammonia gas that dissolves in water forms a solution of ammonium hydroxide (NH 4 OH). This solution (including the gas) is a strong base and will make the solution alkaline.

[#249] Which of the following acts as promoter for iron in Haber's process?
Correct Answer

(B) Mo

Explanation

Solution: Molybdenum (Mo) acts as promoter for the catalyst iron.

[#250] One property of ammonia is
Correct Answer

(D) Its aqueous solution turns red litmus blue

Explanation

Solution: The main use of litmus is to test whether a solution is acidic or basic. For instance, ammonia gas, which is alkaline, colours the red litmus paper blue.