5 RBTS PAPER(CHEMISTRY)
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5 RBTS PAPER

164044 An acid have pH equal to 5.3 what is the \(\mathrm{H}^{+}\)conc. for this acid :

1 \(5 \times 10^{-6}\)
2 \(4 \times 10^{-6}\)
3 \(5 \times 10^{-5}\)
4 \(5 \times 10^5\)
NCERT-XI-196
5 RBTS PAPER

164045 \(\mathrm{pH}\) of \(0.1 \mathrm{M}\) weak acid \(\mathrm{HA}\) will be \(\left(\mathrm{Ka}=4.9 \times 10^{-8}\right)\)

1 3.15
2 4.15
3 4.5
4 4.7
NCERT-XI-196
5 RBTS PAPER

164046 The strongest conjugate base is :

1 \(\mathrm{NO}_3^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{SO}_4{ }^{2-}\)
4 \(\mathrm{CH}_3 \mathrm{COO}^{-}\)
NCERT-XI-193
5 RBTS PAPER

164048 Which of the following show common ion effect-

1 \(\mathrm{HCl}+\mathrm{NaCl}\)
2 \(\mathrm{H}_2 \mathrm{~S}+\mathrm{HCl}\)
3 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{OH}\)
4 Both 2 and 3
NCERT-XI-200
5 RBTS PAPER

164049 For the equilibrium, \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_2\)
\(K_c=\alpha^2 /(1-\alpha) V\). temperature remaining constant.

1 \(K_C\) will increase with the increase in volume
2 \(\mathrm{K}_{\mathrm{C}}\) will increase with the decrease in volume
3 \(\mathrm{K}_{\mathrm{C}}\) will not change with the change in volume
4 \(\mathrm{K}_{\mathrm{C}}\) may increase or decrease with the change in volume depnding upon its numerical value
NCERT-XI-181
NEET DIGITAL LIBRARY
5 RBTS PAPER

164044 An acid have pH equal to 5.3 what is the \(\mathrm{H}^{+}\)conc. for this acid :

1 \(5 \times 10^{-6}\)
2 \(4 \times 10^{-6}\)
3 \(5 \times 10^{-5}\)
4 \(5 \times 10^5\)
NCERT-XI-196
5 RBTS PAPER

164045 \(\mathrm{pH}\) of \(0.1 \mathrm{M}\) weak acid \(\mathrm{HA}\) will be \(\left(\mathrm{Ka}=4.9 \times 10^{-8}\right)\)

1 3.15
2 4.15
3 4.5
4 4.7
NCERT-XI-196
5 RBTS PAPER

164046 The strongest conjugate base is :

1 \(\mathrm{NO}_3^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{SO}_4{ }^{2-}\)
4 \(\mathrm{CH}_3 \mathrm{COO}^{-}\)
NCERT-XI-193
5 RBTS PAPER

164048 Which of the following show common ion effect-

1 \(\mathrm{HCl}+\mathrm{NaCl}\)
2 \(\mathrm{H}_2 \mathrm{~S}+\mathrm{HCl}\)
3 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{OH}\)
4 Both 2 and 3
NCERT-XI-200
5 RBTS PAPER

164049 For the equilibrium, \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_2\)
\(K_c=\alpha^2 /(1-\alpha) V\). temperature remaining constant.

1 \(K_C\) will increase with the increase in volume
2 \(\mathrm{K}_{\mathrm{C}}\) will increase with the decrease in volume
3 \(\mathrm{K}_{\mathrm{C}}\) will not change with the change in volume
4 \(\mathrm{K}_{\mathrm{C}}\) may increase or decrease with the change in volume depnding upon its numerical value
NCERT-XI-181
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5 RBTS PAPER

164044 An acid have pH equal to 5.3 what is the \(\mathrm{H}^{+}\)conc. for this acid :

1 \(5 \times 10^{-6}\)
2 \(4 \times 10^{-6}\)
3 \(5 \times 10^{-5}\)
4 \(5 \times 10^5\)
NCERT-XI-196
5 RBTS PAPER

164045 \(\mathrm{pH}\) of \(0.1 \mathrm{M}\) weak acid \(\mathrm{HA}\) will be \(\left(\mathrm{Ka}=4.9 \times 10^{-8}\right)\)

1 3.15
2 4.15
3 4.5
4 4.7
NCERT-XI-196
5 RBTS PAPER

164046 The strongest conjugate base is :

1 \(\mathrm{NO}_3^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{SO}_4{ }^{2-}\)
4 \(\mathrm{CH}_3 \mathrm{COO}^{-}\)
NCERT-XI-193
5 RBTS PAPER

164048 Which of the following show common ion effect-

1 \(\mathrm{HCl}+\mathrm{NaCl}\)
2 \(\mathrm{H}_2 \mathrm{~S}+\mathrm{HCl}\)
3 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{OH}\)
4 Both 2 and 3
NCERT-XI-200
5 RBTS PAPER

164049 For the equilibrium, \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_2\)
\(K_c=\alpha^2 /(1-\alpha) V\). temperature remaining constant.

1 \(K_C\) will increase with the increase in volume
2 \(\mathrm{K}_{\mathrm{C}}\) will increase with the decrease in volume
3 \(\mathrm{K}_{\mathrm{C}}\) will not change with the change in volume
4 \(\mathrm{K}_{\mathrm{C}}\) may increase or decrease with the change in volume depnding upon its numerical value
NCERT-XI-181
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5 RBTS PAPER

164044 An acid have pH equal to 5.3 what is the \(\mathrm{H}^{+}\)conc. for this acid :

1 \(5 \times 10^{-6}\)
2 \(4 \times 10^{-6}\)
3 \(5 \times 10^{-5}\)
4 \(5 \times 10^5\)
NCERT-XI-196
5 RBTS PAPER

164045 \(\mathrm{pH}\) of \(0.1 \mathrm{M}\) weak acid \(\mathrm{HA}\) will be \(\left(\mathrm{Ka}=4.9 \times 10^{-8}\right)\)

1 3.15
2 4.15
3 4.5
4 4.7
NCERT-XI-196
5 RBTS PAPER

164046 The strongest conjugate base is :

1 \(\mathrm{NO}_3^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{SO}_4{ }^{2-}\)
4 \(\mathrm{CH}_3 \mathrm{COO}^{-}\)
NCERT-XI-193
5 RBTS PAPER

164048 Which of the following show common ion effect-

1 \(\mathrm{HCl}+\mathrm{NaCl}\)
2 \(\mathrm{H}_2 \mathrm{~S}+\mathrm{HCl}\)
3 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{OH}\)
4 Both 2 and 3
NCERT-XI-200
5 RBTS PAPER

164049 For the equilibrium, \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_2\)
\(K_c=\alpha^2 /(1-\alpha) V\). temperature remaining constant.

1 \(K_C\) will increase with the increase in volume
2 \(\mathrm{K}_{\mathrm{C}}\) will increase with the decrease in volume
3 \(\mathrm{K}_{\mathrm{C}}\) will not change with the change in volume
4 \(\mathrm{K}_{\mathrm{C}}\) may increase or decrease with the change in volume depnding upon its numerical value
NCERT-XI-181
NEET DIGITAL LIBRARY
5 RBTS PAPER

164044 An acid have pH equal to 5.3 what is the \(\mathrm{H}^{+}\)conc. for this acid :

1 \(5 \times 10^{-6}\)
2 \(4 \times 10^{-6}\)
3 \(5 \times 10^{-5}\)
4 \(5 \times 10^5\)
NCERT-XI-196
5 RBTS PAPER

164045 \(\mathrm{pH}\) of \(0.1 \mathrm{M}\) weak acid \(\mathrm{HA}\) will be \(\left(\mathrm{Ka}=4.9 \times 10^{-8}\right)\)

1 3.15
2 4.15
3 4.5
4 4.7
NCERT-XI-196
5 RBTS PAPER

164046 The strongest conjugate base is :

1 \(\mathrm{NO}_3^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{SO}_4{ }^{2-}\)
4 \(\mathrm{CH}_3 \mathrm{COO}^{-}\)
NCERT-XI-193
5 RBTS PAPER

164048 Which of the following show common ion effect-

1 \(\mathrm{HCl}+\mathrm{NaCl}\)
2 \(\mathrm{H}_2 \mathrm{~S}+\mathrm{HCl}\)
3 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{OH}\)
4 Both 2 and 3
NCERT-XI-200
5 RBTS PAPER

164049 For the equilibrium, \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_2\)
\(K_c=\alpha^2 /(1-\alpha) V\). temperature remaining constant.

1 \(K_C\) will increase with the increase in volume
2 \(\mathrm{K}_{\mathrm{C}}\) will increase with the decrease in volume
3 \(\mathrm{K}_{\mathrm{C}}\) will not change with the change in volume
4 \(\mathrm{K}_{\mathrm{C}}\) may increase or decrease with the change in volume depnding upon its numerical value
NCERT-XI-181