Question

five solution A,b,c,d,and e when tested with universal indicator showed ph of 4,1,11,7and 9 respectively .(a)which solution is (i)neutral (ii)strongly alkaline(iii)strongly acidic(iv)weakly acidic(v)weakly alkaline ?(b)arrange the ph in the increasing order of iron concentration​

Answer 1

Explanation:

a 1. d (7)

2. c (11)

3. b (1)

4. a (4)

b. 1,4,7,11 increasing the concentration of oh negative ions