pH concept
CHXI07:EQUILIBRIUM

315009 If \(50 \mathrm{~mL}\) of \(0.1 \mathrm{HBr}\) is mixed with\(50\;{\rm{mL}}\,0.2{\rm{M}}\,{\rm{NaOH}}\), find \(\mathrm{pH}\) of resulting mixture

1 2.7
2 12.7
3 10.7
4 1.3
CHXI07:EQUILIBRIUM

315010 Following solutions were prepared by mixing different volumes of \(\mathrm{NaOH}\) and \(\mathrm{HCl}\) of different concentrations :
(A) \({\text{60 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 40 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(B) \({\text{55 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 45 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(C) \({\text{75 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{HCl + 25 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{NaOH}}\)
(D) \({\text{100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
\(\mathrm{pH}\) of which one of them will be equal to 1?

1 D
2 C
3 A
4 B
CHXI07:EQUILIBRIUM

315011 The \(\mathrm{pH}\) of \({\text{0}}{\text{.005}}\) \({\text{M}}\) \({\text{Ba(OH}}{{\text{)}}_{\text{2}}}\) is

1 2.301
2 11.699
3 12
4 7
CHXI07:EQUILIBRIUM

315012 What is the \({\rm{pH}}\,\,{\rm{of}}\,\,{\rm{0}}{\rm{.02}}\,{\rm{M}}\,\,{\rm{NaOH}}\) solution?

1 10.3
2 11.3
3 11.7
4 12.3
CHXI07:EQUILIBRIUM

315013 Which of the following has highest \(\mathrm{pH}\) ?

1 \(\frac{{\rm{M}}}{4}{\rm{KOH}}\)
2 \(\frac{{\rm{M}}}{4}{\rm{NaOH}}\)
3 \(\frac{{\rm{M}}}{4}{\rm{N}}{{\rm{H}}_4}{\rm{OH}}\)
4 \(\frac{{\rm{M}}}{4}{\rm{Ca}}{({\rm{OH}})_2}\)
CHXI07:EQUILIBRIUM

315009 If \(50 \mathrm{~mL}\) of \(0.1 \mathrm{HBr}\) is mixed with\(50\;{\rm{mL}}\,0.2{\rm{M}}\,{\rm{NaOH}}\), find \(\mathrm{pH}\) of resulting mixture

1 2.7
2 12.7
3 10.7
4 1.3
CHXI07:EQUILIBRIUM

315010 Following solutions were prepared by mixing different volumes of \(\mathrm{NaOH}\) and \(\mathrm{HCl}\) of different concentrations :
(A) \({\text{60 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 40 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(B) \({\text{55 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 45 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(C) \({\text{75 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{HCl + 25 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{NaOH}}\)
(D) \({\text{100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
\(\mathrm{pH}\) of which one of them will be equal to 1?

1 D
2 C
3 A
4 B
CHXI07:EQUILIBRIUM

315011 The \(\mathrm{pH}\) of \({\text{0}}{\text{.005}}\) \({\text{M}}\) \({\text{Ba(OH}}{{\text{)}}_{\text{2}}}\) is

1 2.301
2 11.699
3 12
4 7
CHXI07:EQUILIBRIUM

315012 What is the \({\rm{pH}}\,\,{\rm{of}}\,\,{\rm{0}}{\rm{.02}}\,{\rm{M}}\,\,{\rm{NaOH}}\) solution?

1 10.3
2 11.3
3 11.7
4 12.3
CHXI07:EQUILIBRIUM

315013 Which of the following has highest \(\mathrm{pH}\) ?

1 \(\frac{{\rm{M}}}{4}{\rm{KOH}}\)
2 \(\frac{{\rm{M}}}{4}{\rm{NaOH}}\)
3 \(\frac{{\rm{M}}}{4}{\rm{N}}{{\rm{H}}_4}{\rm{OH}}\)
4 \(\frac{{\rm{M}}}{4}{\rm{Ca}}{({\rm{OH}})_2}\)
CHXI07:EQUILIBRIUM

315009 If \(50 \mathrm{~mL}\) of \(0.1 \mathrm{HBr}\) is mixed with\(50\;{\rm{mL}}\,0.2{\rm{M}}\,{\rm{NaOH}}\), find \(\mathrm{pH}\) of resulting mixture

1 2.7
2 12.7
3 10.7
4 1.3
CHXI07:EQUILIBRIUM

315010 Following solutions were prepared by mixing different volumes of \(\mathrm{NaOH}\) and \(\mathrm{HCl}\) of different concentrations :
(A) \({\text{60 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 40 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(B) \({\text{55 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 45 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(C) \({\text{75 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{HCl + 25 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{NaOH}}\)
(D) \({\text{100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
\(\mathrm{pH}\) of which one of them will be equal to 1?

1 D
2 C
3 A
4 B
CHXI07:EQUILIBRIUM

315011 The \(\mathrm{pH}\) of \({\text{0}}{\text{.005}}\) \({\text{M}}\) \({\text{Ba(OH}}{{\text{)}}_{\text{2}}}\) is

1 2.301
2 11.699
3 12
4 7
CHXI07:EQUILIBRIUM

315012 What is the \({\rm{pH}}\,\,{\rm{of}}\,\,{\rm{0}}{\rm{.02}}\,{\rm{M}}\,\,{\rm{NaOH}}\) solution?

1 10.3
2 11.3
3 11.7
4 12.3
CHXI07:EQUILIBRIUM

315013 Which of the following has highest \(\mathrm{pH}\) ?

1 \(\frac{{\rm{M}}}{4}{\rm{KOH}}\)
2 \(\frac{{\rm{M}}}{4}{\rm{NaOH}}\)
3 \(\frac{{\rm{M}}}{4}{\rm{N}}{{\rm{H}}_4}{\rm{OH}}\)
4 \(\frac{{\rm{M}}}{4}{\rm{Ca}}{({\rm{OH}})_2}\)
CHXI07:EQUILIBRIUM

315009 If \(50 \mathrm{~mL}\) of \(0.1 \mathrm{HBr}\) is mixed with\(50\;{\rm{mL}}\,0.2{\rm{M}}\,{\rm{NaOH}}\), find \(\mathrm{pH}\) of resulting mixture

1 2.7
2 12.7
3 10.7
4 1.3
CHXI07:EQUILIBRIUM

315010 Following solutions were prepared by mixing different volumes of \(\mathrm{NaOH}\) and \(\mathrm{HCl}\) of different concentrations :
(A) \({\text{60 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 40 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(B) \({\text{55 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 45 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(C) \({\text{75 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{HCl + 25 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{NaOH}}\)
(D) \({\text{100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
\(\mathrm{pH}\) of which one of them will be equal to 1?

1 D
2 C
3 A
4 B
CHXI07:EQUILIBRIUM

315011 The \(\mathrm{pH}\) of \({\text{0}}{\text{.005}}\) \({\text{M}}\) \({\text{Ba(OH}}{{\text{)}}_{\text{2}}}\) is

1 2.301
2 11.699
3 12
4 7
CHXI07:EQUILIBRIUM

315012 What is the \({\rm{pH}}\,\,{\rm{of}}\,\,{\rm{0}}{\rm{.02}}\,{\rm{M}}\,\,{\rm{NaOH}}\) solution?

1 10.3
2 11.3
3 11.7
4 12.3
CHXI07:EQUILIBRIUM

315013 Which of the following has highest \(\mathrm{pH}\) ?

1 \(\frac{{\rm{M}}}{4}{\rm{KOH}}\)
2 \(\frac{{\rm{M}}}{4}{\rm{NaOH}}\)
3 \(\frac{{\rm{M}}}{4}{\rm{N}}{{\rm{H}}_4}{\rm{OH}}\)
4 \(\frac{{\rm{M}}}{4}{\rm{Ca}}{({\rm{OH}})_2}\)
CHXI07:EQUILIBRIUM

315009 If \(50 \mathrm{~mL}\) of \(0.1 \mathrm{HBr}\) is mixed with\(50\;{\rm{mL}}\,0.2{\rm{M}}\,{\rm{NaOH}}\), find \(\mathrm{pH}\) of resulting mixture

1 2.7
2 12.7
3 10.7
4 1.3
CHXI07:EQUILIBRIUM

315010 Following solutions were prepared by mixing different volumes of \(\mathrm{NaOH}\) and \(\mathrm{HCl}\) of different concentrations :
(A) \({\text{60 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 40 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(B) \({\text{55 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 45 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
(C) \({\text{75 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{HCl + 25 mL}}\frac{{\text{M}}}{{\text{5}}}{\text{NaOH}}\)
(D) \({\text{100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{HCl + 100 mL}}\frac{{\text{M}}}{{{\text{10}}}}{\text{NaOH}}\)
\(\mathrm{pH}\) of which one of them will be equal to 1?

1 D
2 C
3 A
4 B
CHXI07:EQUILIBRIUM

315011 The \(\mathrm{pH}\) of \({\text{0}}{\text{.005}}\) \({\text{M}}\) \({\text{Ba(OH}}{{\text{)}}_{\text{2}}}\) is

1 2.301
2 11.699
3 12
4 7
CHXI07:EQUILIBRIUM

315012 What is the \({\rm{pH}}\,\,{\rm{of}}\,\,{\rm{0}}{\rm{.02}}\,{\rm{M}}\,\,{\rm{NaOH}}\) solution?

1 10.3
2 11.3
3 11.7
4 12.3
CHXI07:EQUILIBRIUM

315013 Which of the following has highest \(\mathrm{pH}\) ?

1 \(\frac{{\rm{M}}}{4}{\rm{KOH}}\)
2 \(\frac{{\rm{M}}}{4}{\rm{NaOH}}\)
3 \(\frac{{\rm{M}}}{4}{\rm{N}}{{\rm{H}}_4}{\rm{OH}}\)
4 \(\frac{{\rm{M}}}{4}{\rm{Ca}}{({\rm{OH}})_2}\)