Question

a) Giving reason for each, state which of the following will conduct electricity and which will not : (i) A solution of glucose
Dil. Hydrochloric acid?
(b) If acetic acid and hydrochloric acid of same concentration are taken, which of the two is a stronger add and why?
(c) How is the strength of an acid affected when some water is added to it ?


CBSE Class X Science SA 2 (3 Marks)

Answer 1

(a) (i) Solution of glucose will not conduct electricity because it does not have ions. (ii) Dil. HCl will conduct electricity because it produces H+ ions in water.
(b) HCl is stronger because it gives rise to more H+ ions than acetic acid. (c) The strength of the acid decreases. 

Answer 2

Explanation:

a) Giving reason for each, state which of the following will conduct electricity and which will not : (i) A solution of glucose

Dil. Hydrochloric acid?

(b) If acetic acid and hydrochloric acid of same concentration are taken, which of the two is a stronger add and why?

(c) How is the strength of an acid affected when some water is added to it ?

CBSE Class X Science SA 2 (3 Marks)