Acids and Bases
CHXI07:EQUILIBRIUM

314438 Which of the following is a Bronsted neutralisation reaction?

1 \(\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{HCl}+\mathrm{NH}_{3} \rightarrow \mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}\)
3 \({\text{N}}{{\text{H}}_3} + {\text{B}}{{\text{F}}_3} \to \left[ {{{\text{H}}_3}{\text{N}} \to {\text{B}}{{\text{F}}_3}} \right]\)
4 \(\mathrm{NaOH}+\mathrm{HCl} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\)
CHXI07:EQUILIBRIUM

314439 Conjugate base of \(\mathrm{HCO}_{3}{ }^{2-}\) is

1 \(\mathrm{H}_{2} \mathrm{CO}_{3}\)
2 \(\mathrm{CO}_{3}^{2-}\)
3 \(\mathrm{H}_{2} \mathrm{CO}_{3}^{+}\)
4 \(\mathrm{HCO}_{2}^{-2}\)
CHXI07:EQUILIBRIUM

314440 The pair of amphoteric hydroxides is

1 \(\mathrm{Al}(\mathrm{OH})_{3}, \mathrm{LiOH}\)
2 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Mg}(\mathrm{OH})_{2}\)
3 \(\mathrm{B}(\mathrm{OH})_{3}, \mathrm{Be}(\mathrm{OH})_{2}\)
4 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI07:EQUILIBRIUM

314441 Which one of the following arrangements represents the correct order of the proton affinity of the given species?

1 \({{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}\)
2 \({\text{H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}\)
3 \({{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}\)
4 \({\text{NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}\)
CHXI07:EQUILIBRIUM

314445 Which from the following compounds accepts proton from water molecule according to Bronsted - Lowry theory?

1 \(\mathrm{NaOH}_{(\text {aq })}\)
2 \(\mathrm{HCl}_{(\mathrm{aq})}\)
3 \(\mathrm{NH}_{3(\mathrm{aq})}\)
4 \(\mathrm{NH}_{4} \mathrm{OH}_{(\mathrm{aq})}\)
CHXI07:EQUILIBRIUM

314438 Which of the following is a Bronsted neutralisation reaction?

1 \(\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{HCl}+\mathrm{NH}_{3} \rightarrow \mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}\)
3 \({\text{N}}{{\text{H}}_3} + {\text{B}}{{\text{F}}_3} \to \left[ {{{\text{H}}_3}{\text{N}} \to {\text{B}}{{\text{F}}_3}} \right]\)
4 \(\mathrm{NaOH}+\mathrm{HCl} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\)
CHXI07:EQUILIBRIUM

314439 Conjugate base of \(\mathrm{HCO}_{3}{ }^{2-}\) is

1 \(\mathrm{H}_{2} \mathrm{CO}_{3}\)
2 \(\mathrm{CO}_{3}^{2-}\)
3 \(\mathrm{H}_{2} \mathrm{CO}_{3}^{+}\)
4 \(\mathrm{HCO}_{2}^{-2}\)
CHXI07:EQUILIBRIUM

314440 The pair of amphoteric hydroxides is

1 \(\mathrm{Al}(\mathrm{OH})_{3}, \mathrm{LiOH}\)
2 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Mg}(\mathrm{OH})_{2}\)
3 \(\mathrm{B}(\mathrm{OH})_{3}, \mathrm{Be}(\mathrm{OH})_{2}\)
4 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI07:EQUILIBRIUM

314441 Which one of the following arrangements represents the correct order of the proton affinity of the given species?

1 \({{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}\)
2 \({\text{H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}\)
3 \({{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}\)
4 \({\text{NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}\)
CHXI07:EQUILIBRIUM

314445 Which from the following compounds accepts proton from water molecule according to Bronsted - Lowry theory?

1 \(\mathrm{NaOH}_{(\text {aq })}\)
2 \(\mathrm{HCl}_{(\mathrm{aq})}\)
3 \(\mathrm{NH}_{3(\mathrm{aq})}\)
4 \(\mathrm{NH}_{4} \mathrm{OH}_{(\mathrm{aq})}\)
CHXI07:EQUILIBRIUM

314438 Which of the following is a Bronsted neutralisation reaction?

1 \(\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{HCl}+\mathrm{NH}_{3} \rightarrow \mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}\)
3 \({\text{N}}{{\text{H}}_3} + {\text{B}}{{\text{F}}_3} \to \left[ {{{\text{H}}_3}{\text{N}} \to {\text{B}}{{\text{F}}_3}} \right]\)
4 \(\mathrm{NaOH}+\mathrm{HCl} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\)
CHXI07:EQUILIBRIUM

314439 Conjugate base of \(\mathrm{HCO}_{3}{ }^{2-}\) is

1 \(\mathrm{H}_{2} \mathrm{CO}_{3}\)
2 \(\mathrm{CO}_{3}^{2-}\)
3 \(\mathrm{H}_{2} \mathrm{CO}_{3}^{+}\)
4 \(\mathrm{HCO}_{2}^{-2}\)
CHXI07:EQUILIBRIUM

314440 The pair of amphoteric hydroxides is

1 \(\mathrm{Al}(\mathrm{OH})_{3}, \mathrm{LiOH}\)
2 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Mg}(\mathrm{OH})_{2}\)
3 \(\mathrm{B}(\mathrm{OH})_{3}, \mathrm{Be}(\mathrm{OH})_{2}\)
4 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI07:EQUILIBRIUM

314441 Which one of the following arrangements represents the correct order of the proton affinity of the given species?

1 \({{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}\)
2 \({\text{H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}\)
3 \({{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}\)
4 \({\text{NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}\)
CHXI07:EQUILIBRIUM

314445 Which from the following compounds accepts proton from water molecule according to Bronsted - Lowry theory?

1 \(\mathrm{NaOH}_{(\text {aq })}\)
2 \(\mathrm{HCl}_{(\mathrm{aq})}\)
3 \(\mathrm{NH}_{3(\mathrm{aq})}\)
4 \(\mathrm{NH}_{4} \mathrm{OH}_{(\mathrm{aq})}\)
CHXI07:EQUILIBRIUM

314438 Which of the following is a Bronsted neutralisation reaction?

1 \(\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{HCl}+\mathrm{NH}_{3} \rightarrow \mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}\)
3 \({\text{N}}{{\text{H}}_3} + {\text{B}}{{\text{F}}_3} \to \left[ {{{\text{H}}_3}{\text{N}} \to {\text{B}}{{\text{F}}_3}} \right]\)
4 \(\mathrm{NaOH}+\mathrm{HCl} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\)
CHXI07:EQUILIBRIUM

314439 Conjugate base of \(\mathrm{HCO}_{3}{ }^{2-}\) is

1 \(\mathrm{H}_{2} \mathrm{CO}_{3}\)
2 \(\mathrm{CO}_{3}^{2-}\)
3 \(\mathrm{H}_{2} \mathrm{CO}_{3}^{+}\)
4 \(\mathrm{HCO}_{2}^{-2}\)
CHXI07:EQUILIBRIUM

314440 The pair of amphoteric hydroxides is

1 \(\mathrm{Al}(\mathrm{OH})_{3}, \mathrm{LiOH}\)
2 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Mg}(\mathrm{OH})_{2}\)
3 \(\mathrm{B}(\mathrm{OH})_{3}, \mathrm{Be}(\mathrm{OH})_{2}\)
4 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI07:EQUILIBRIUM

314441 Which one of the following arrangements represents the correct order of the proton affinity of the given species?

1 \({{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}\)
2 \({\text{H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}\)
3 \({{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}\)
4 \({\text{NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}\)
CHXI07:EQUILIBRIUM

314445 Which from the following compounds accepts proton from water molecule according to Bronsted - Lowry theory?

1 \(\mathrm{NaOH}_{(\text {aq })}\)
2 \(\mathrm{HCl}_{(\mathrm{aq})}\)
3 \(\mathrm{NH}_{3(\mathrm{aq})}\)
4 \(\mathrm{NH}_{4} \mathrm{OH}_{(\mathrm{aq})}\)
CHXI07:EQUILIBRIUM

314438 Which of the following is a Bronsted neutralisation reaction?

1 \(\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{HCl}+\mathrm{NH}_{3} \rightarrow \mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}\)
3 \({\text{N}}{{\text{H}}_3} + {\text{B}}{{\text{F}}_3} \to \left[ {{{\text{H}}_3}{\text{N}} \to {\text{B}}{{\text{F}}_3}} \right]\)
4 \(\mathrm{NaOH}+\mathrm{HCl} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\)
CHXI07:EQUILIBRIUM

314439 Conjugate base of \(\mathrm{HCO}_{3}{ }^{2-}\) is

1 \(\mathrm{H}_{2} \mathrm{CO}_{3}\)
2 \(\mathrm{CO}_{3}^{2-}\)
3 \(\mathrm{H}_{2} \mathrm{CO}_{3}^{+}\)
4 \(\mathrm{HCO}_{2}^{-2}\)
CHXI07:EQUILIBRIUM

314440 The pair of amphoteric hydroxides is

1 \(\mathrm{Al}(\mathrm{OH})_{3}, \mathrm{LiOH}\)
2 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Mg}(\mathrm{OH})_{2}\)
3 \(\mathrm{B}(\mathrm{OH})_{3}, \mathrm{Be}(\mathrm{OH})_{2}\)
4 \(\mathrm{Be}(\mathrm{OH})_{2}, \mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI07:EQUILIBRIUM

314441 Which one of the following arrangements represents the correct order of the proton affinity of the given species?

1 \({{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}\)
2 \({\text{H}}{{\text{S}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < }}{{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}\)
3 \({{\text{F}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}\)
4 \({\text{NH}}_{\text{2}}^{\text{ - }}{\text{ < H}}{{\text{S}}^{\text{ - }}}{\text{ < }}{{\text{I}}^{\text{ - }}}{\text{ < }}{{\text{F}}^{\text{ - }}}\)
CHXI07:EQUILIBRIUM

314445 Which from the following compounds accepts proton from water molecule according to Bronsted - Lowry theory?

1 \(\mathrm{NaOH}_{(\text {aq })}\)
2 \(\mathrm{HCl}_{(\mathrm{aq})}\)
3 \(\mathrm{NH}_{3(\mathrm{aq})}\)
4 \(\mathrm{NH}_{4} \mathrm{OH}_{(\mathrm{aq})}\)