Question

State the relationship of A to B (i.e. <, >, = or can't be determined).

1. Using a 0.05 M Ag+ titrant
A.VEP in titration 25-mL of 0.01 M MgCl2
B.VEP in titrating 25-mL of 0.01 M AlCl3

2. A 25.0-mL solution contains 0.015 M NaCl and 0.010 M HCl
A.VEP (Mohr)
B.VEP (phenolphthalein)

3. pKsp of AgI < pKsp of AgSCN
A.pAg break in the titration of I- with Ag+
B.pAg break in the titration of SCN- with Ag+

4. A 20.0-mL sample contains equimolar amounts of HBr and H2SO4
A.VEP using 0.010 M NaOH
B.VEP using 0.020 M AgNO3

5. EDTA titrant buffered at pH 10
A.[Y4-]
B.[H4Y]

6. KAY > KBY
For a successful EDTA titration
A.Minimum pH of A titration
B.Minimum pH for B titration

7. At the equivalence point for a complexometric titration of Cu2+ buffered at pH 10
A.[Cu2+] with 0.10 M NH3
B.[Cu2+]

8. For the titration of 40-mL of 0.50 M Mn+ with 0.25 M EDTA buffered at pH 10
A.VEP for Mg2+
B.VEP for Al3+

9. For the following electrode: H2C2O4 (aq) + 2H+ (aq) + 2e- ⇌ 2 HCO2H (aq) E° = 0.204 V
A.ECELL at pH 2.0
B.ECELL at pH 3.0

10. A solution containing M2+ is titrated with a standard N+ solution
ERED N2+/N+ > ERED M2+/M+
A.ECELL before EP
B.ECELL after EP