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Chapter 18: Q92 E (page 1047)

Which is the stronger acid,\({\rm{NaHS}}{{\rm{O}}_3}\)or\({\rm{NaHS}}{{\rm{O}}_4}\)?

Short Answer

Expert verified


\({\rm{NaHS}}{{\rm{O}}_4}\) is the stronger acid.

Step by step solution

01

To find the stronger acid.

\({\rm{NaHS}}{{\rm{O}}_4}\)is a salt of stronger acid and therefore a stronger acid.

Reasoning is the one double bonded oxygen atom more on the sulfur atom which in unprotonated state helps with delocalization of electron, making a\(SO_4^{2 - }\)ion more stable than the\(SO_3^{2 - }\)ion.
Dissolution of the salt:\({\rm{NaHS}}{{\rm{O}}_4}(s) \to {\rm{N}}{{\rm{a}}^ + }(aq) + {\rm{HSO}}_4^ - (aq)\).
Deprotonation of acidic ion: \({\rm{HSO}}_4^ - (aq) + {{\rm{H}}_2}{\rm{O}}({\rm{l}}) \to {\rm{SO}}_4^{2 - }(aq) + {{\rm{H}}_3}{{\rm{O}}^ + }(aq)\).

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Most popular questions from this chapter

A mixture of Xenon and Flourine was heated. A sample of white solid that formed reacted with hydrogen to yield 81 mL of Xenon (at STP) and hydrogen fluoride , which was collected in water, giving a solution of hydrofluoric acid . The hydrofluoric acid solution was titrated , and 68.43 mL of 0.3172 M of Sodium Hydroxide was required to reach the equivalence point. Determine the empirical formula for the white solid and write balanced chemical equations for the reactions involving xenon .

What volume of \(0.250{\rm{M }}{{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}\) solution is required to neutralize a solution that contains \(5.00\;{\rm{g}}\) of \({\rm{CaC}}{{\rm{O}}_3}\)?

Arrange the following in order of increasing electronegativity: \({\bf{F}};{\rm{ }}{\bf{Cl}};{\rm{ }}{\bf{O}};\)and S.

What mass of magnesium forms when \({\bf{100}},{\bf{000}}{\rm{ }}{\bf{A}}\) is passed through a \({\bf{MgC}}{{\bf{l}}_2}\)melt for \({\bf{1}}.{\bf{00}}{\rm{ }}{\bf{h}}\) if the yield of magnesium is \({\bf{85}}\% \) of the theoretical yield?

Question:Complete and balance each of the following chemical equations. (In some cases, there may be more than one correct answer.)

(a) \({{\rm{P}}_4} + {\rm{Al}}\)

(b) \({{\rm{P}}_4} + {\rm{Na}}\)

(c) \({{\rm{P}}_4} + {{\rm{F}}_2}\)

(d) \({{\rm{P}}_4} + {\rm{C}}{{\rm{l}}_2}\)

(e) \({{\rm{P}}_4} + {{\rm{O}}_2}\)

(f) \({{\rm{P}}_4}{{\rm{O}}_6} + {{\rm{O}}_2}\)
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