225) If 50 mL of 0.2M NaCN is mixed with 50 mL of 0.2M HCl then:
Answer is:
[H3O+] = [CN−] = 7 x 10−6
Related Physical Chemistry MCQ with Answers
Answer is:
10−12
Explanation:
Kw = [H+][OH−]
Answer is:
KCN
Explanation:
Solution of KCN is basic. Therefore, concentration of [H+] will decrease on mixing it with acetic acid and thus pH will increase.
Answer is:
pH > 7
Explanation:
CH3NH2 is basic.
Answer is:
10−5
Explanation:
Ka = Cx2