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Chapter 6: Q45P (page 143)

Write theKbreaction for pyridine and for sodium 2-mercaptoethanol.


Short Answer

Expert verified

TheKbreaction for pyridine is written as The Kbreaction for sodium 2-mercaptoethanol is written as

HOCH2S-Na++H2O鈬�HOCH2CH2SH+NaOH

Step by step solution

01

Define base dissolution constant

The base dissociation constant (Kb) is a metric for basicity, or the strength of the base in general.

02

Write the Kbreaction

The base dissociation constant Kbcomes when base is reacted with weak acid such as water that gives weak acid.

The Kbreaction for pyridine is,


TheKbreaction for sodium 2-mercaptoethanol is,

HOCH2S-Na++H2OHOCH2CH2SH+NaOH

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Most popular questions from this chapter

(a) Using only Kspfrom Table 6-3, calculate how many moles

of Ca(OH)2 will dissolve in 1.00 L of water.

(b) How will the solubility calculated in part (a) be affected by the K1reaction in Table 6-3?

Write the expression for the equilibrium constant for each of the following reactions. Write the pressure of a gas, X , asPX .

(a)3Ag+(aq)+PO43(aq)鈬�Ag3PO4(s)

(b)C6H6(l)+152O2(g)鈬�3H2O(l)+6CO2(g)

Write the autoprotolysis reaction ofH2SO4.

For the reaction 2A(g)+B(aq)+3C(l)鈬�D(s)+3E(g), the concentrations at equilibrium are found to be

A:2.8脳103Pa

B: 1.2脳10-2M

C:12.8M

D: 16.5M

E:3.6脳104Torr

Find the numerical value of the equilibrium constant that would appear in a conventional table of equilibrium constants.

Make a list of the common strong acids and strong bases. Memorize this list.
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