Interpretation:
The trend given in a series of equations is to be identified.
Concept Introduction : The periodic table is a columnar structure that organizes different elements into groups based on how they behave. The elements in the periodic table of today are ordered according to the periodic law. The elements are organized in the modern periodic table in increasing order of their
Answer to Problem 59A
The first ionization energy increases across the period.
Explanation of Solution
The first ionization energy is the energy needed for the extraction of the outermost electron from the neutral gaseous atom. The given equations represent equations for ionization. The ionization energy increases. Li, O, F, and Ne are present in the same period. Lithium is present in the extreme left of the periodic table while Ne is present in the extreme right.
The ionization energy increases across the period. So, lithium should have the smallest, and Ne should have the largest ionization energy. Thus, the given trend is “The first ionization energy increases across the period”
Chapter 6 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
- The acid-base indicator HX undergoes the following reaction in a dilute aqueous solution: HX (color 1) H+ + X- (color 2). The following absorbance data were obtained for a 0.00035 M solution of HX in 0.1 M NaOH and 0.1 M HCI. Measurements were made at wavelengths of 450 nm and 620 nm using a 1.0 cm glass cuvette. 450 620 A(460 nm) A(630 nm) 0.1 M NaOH 0.1 M HCI 0.065 0.435 0.895 0.150 In the 0.1M NaOH solution, the indicator will be almost 100% in the X- form, while in 0.1M HCI, the indicator will be nearly 100% protonated (HX). Calculate the acid dissociation constant for the indicator if a pH=5 buffer solution containing a very small amount of indicator exhibits an absorbance of 0.567 at 450 nm and 0.395 at 620 nm (measured in a 1 cm glass cuvette).arrow_forwardShow work...give the name of the given compound. Don't give Ai generated solutionarrow_forwardShow work with explanation needed. don't give Ai generated solutionarrow_forward
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