General Chemistry
General Chemistry
4th Edition
ISBN: 9781891389603
Author: Donald A. McQuarrie, Peter A. Rock, Ethan B. Gallogly
Publisher: University Science Books
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Chapter 3, Problem 3.19P
Interpretation Introduction

Interpretation:

Among the elements given in options, those that are main group elements have to be chosen.

Concept Introduction:

In the periodic table, the elements that are present in Group 1, 2, and 13 t0 18 are known as main group elements.  They are also called as representative elements.  These elements are present in abundant quantity on Earth’s crust.  Number of valence electrons present in the atom of representative elements decides its chemical properties.

Elements that are present in Group 3 to Group 12 are known as transition elements.  They are known as transition metals because they are present in the periodic table where the transition of metallic nature to nonmetallic nature of main group elements occurs.

The elements that are present in the lanthanide series and actinide series are known as inner transition elements.

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Q2: Ranking Acidity a) Rank the labeled protons in the following molecule in order of increasing pKa. Briefly explain the ranking. Use Table 2.2 as reference. Ha Нь HC H-N Ha OHe b) Atenolol is a drug used to treat high blood pressure. Which of the indicated N-H bonds is more acidic? Explain. (Hint: use resonance structures to help) Name the functional groups on atenolol. H H-N atenolol Ν H-N OH Н
Answer d, e, and f
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