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Chapter 6: Q45 P (page 143)

: Write thereaction for pyridine and for sodium 2-mercaptoethanol.

Short Answer

Expert verified

The reaction for pyridine is written as

The $k_{b}$ reaction for sodium 2-mercaptoethanol is written as

$H O C H_{2} S - N a^{+} + H_{2} O ⇌ H O C H_{2} C H_{2} S H + N a O H$

Step by step solution

01

Define base dissolution constant

The base dissociation constant ( $k_{b}$ ) is a metric for basicity, or the strength of the base in general.

02

Write the kb reaction

The base dissociation constant $k_{b}$ comes when base is reacted with weak acid such as water that gives weak acid.

The $k_{b}$ reaction for pyridine is,

The reaction $k_{b}$ for sodium 2-mercaptoethanol is,

$H O C H_{2} S^{-} N a^{+} + H_{2} O ⇌ H O C H_{2} C H_{2} S H + N a O H$

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Most popular questions from this chapter

What concentration of $Fe {(CN)}_{6}^{4 -}$ (ferrocyanide) is in equilibrium with $1.0 μ M A g^{+}$ androle="math" localid="1663331502441" $A g_{4} F e {(C N)}_{6} (s)$ ? Express your answer with a prefix from Table 1-3.

Distinguish Lewis acids and bases from Brønsted-Lowry acids and bases. Give an example of each.

Use Le Châtelier’s principle and Kw in Table 6-1 to decide whether the autoprotolysis of water is endothermic or exothermic at 25⁰C; (b)100⁰C; (c)300⁰C.

Identify the conjugate acid-base pairs in the following reactions:

(a) $H_{3} {NCH}_{2} {CH}_{2} {NH}_{3} + H_{2} O ⇌ H_{3} {NCH}_{2} {CH}_{2} {NH}_{2} + H_{3} O^{+}$

(b) Benzoicacid+ Pyridine $⇌$ Benzoate+ Pyridinium

Identify the Bronsted-Lowry acids among the reactants in the following reactions:

(a) $KCN + HI ⇌ HCN + KI$

(b) ${PO}_{4}^{3 -} + H_{2} O ⇌ {HPO}_{4}^{2 -} + {OH}^{-}$

See all solutions

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