A molecular property of the Group 6A(16) hydrides changes abruptly down the group. This change has been ex-plained in terms of a change in orbital hybridization.(a) Between what periods does the change occur?(b) What is the change in the molecular property?(c) What is the change in hybridization?(d) What other group displays a similar change?

A molecular property of the Group 6A(16) hydrides changes abruptly down the group. This change has been ex-plained in terms of a change in orbital hybridization.(a) Between what periods does the change occur?(b) What is the change in the molecular property?(c) What is the change in hybridization?(d) What other group displays a similar change?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter20: Chemistry Of Hydrogen, Elements In Group 3a Through 6a, And The Noble Gases

Section: Chapter Questions

Problem 20.34QE

See similar textbooks

Similar questions

The elements sodium, aluminum, and chlorine are in the same period. (a) Which has the greatest electronegativity? (b) Which of the atoms is smallest? (c) Which is the largest possible oxidation state for each of these elements? (d) Will the oxide of each element in the highest oxidation state (write its formula) be acidic, basic, or amphoteric?
(a) What are the common oxidation states of the halogens?(b) Give an explanation based on electron configuration for the range and values of the oxidation states of chlorine.(c) Why is fluorine an exception to the pattern of oxidation states found for the other group members?
Compounds such as NaBH₄, Al(BH₄)₃, and LiAlH₄ arecomplex hydrides used as reducing agents in many syntheses.(a) Give the oxidation state of each element in these compounds.(b) Write a Lewis structure for the polyatomic anion in NaBH₄,and predict its shape.
Diiodine pentaoxide (I₂O₅) was discovered by JosephGay-Lussac in 1813, but its structure was unknown until 1970!Like Cl₂O₇, it can be prepared by the dehydration-condensationof the corresponding oxoacid.(a) Name the precursor oxoacid, write a reaction for formation ofthe oxide, and draw a likely Lewis structure.(b) Data show that the bonds to the terminal O are shorter than the bonds to the bridging O. Why?(c) I₂O₅ is one of the few chemicals that can oxidize CO rapidly and completely; elemental iodine forms in the process. Write abalanced equation for this reaction.
The elements sodium, aluminum, and chlorine are in the same period.(a) Which has the greatest electronegativity?(b) Which of the atoms is smallest?(c) Write the Lewis structure for the simplest covalent compound that can form between aluminum and chlorine.(d) Will the oxide of each element be acidic, basic, or amphoteric?
(a) A alkali metals react withhydrogen to form hydrides and react with halogens to formhalides. Compare the roles of hydrogen and halogens inthese reactions. Write balanced equations for the reaction offluorine with calcium and for the reaction of hydrogen withcalcium. (b) What is the oxidation number and electronconfiguration of calcium in each product?
(a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write the chemical equation. (b) Write the formula of first noble gas compound prepared by N. Bartlett. What inspired N. Bartlett to prepare this compound? (c) Fluorine is a stronger oxidising agent than chlorine. Why? (d)Write one use of chlorine gas.
Boron’s chemistry is not typical of its group.(a) Cite three ways in which boron and its compounds differ sig-nificantly from the other 3A(13) members and their compounds.(b) What is the reason for these differences?
Q.5(a) The alkali metals follow the noble gases in their atomic structure. What properties of these metals can be predicted from this information? (b) Arrange the carbonates of alkaline earth metals in order of thermal stability. (c) Explain the process involved in the manufacture of NaOH, Na2CO3 and NaHCO3. (d) Identify the element X in each of the following: (i) The oxide of XO2 has a high M.P., and is very abundant in nature. (ii) X forms three oxides: XO, XO2, X3O2. (iii) X forms compounds mainly in the +2 O.S., though some compounds in +4 state do exist. (iv) X occurs as several allotropes, including a molecular one. (e) Borazine reacts with three mole equivalents of HCl to give a material with chemical composition B3N3H9C13. (i) What is the structure of product? (ii) How does the isoelectronic benzene react with HCl? (f) Explain why bond length in NO (115 pm) is longer than that in nitrosonium ion (106 pm)?
(A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true but the second is false, and (D) if the first sentence is false but the second is true. 1. When a non-metallic oxide reacts with water, a base will be formed as the product of the reaction. When a metallic oxide like phosphorous pentoxide reacts with water, a base will be formed as the product of the reaction. 2. When water is mixed with oxides, hydrogen gas is evolved. A red to blue color change in the litmus paper indicates that the solution tested is an acid. 3. The filtrate in any filtration process is left on the surface of the filter paper, while the residue is collected at the bottom of the flask/container after passing through the filter paper. In the distillation process, the methyl violet served as a compound to acidify the water. 4. In the Winkler Titration Method, the starch solution turns colorless in the presence of free iodine in the solution to be titrated. In the Winkler…
Account for the following: (i) NH3 is a stronger base than PH3. (ii) Sulphur has a greater tendency for catenation than oxygen. (iii) Bond dissociation energy of F2 is less than that of Cl?
(a) One of the alkali metals reacts with oxygen to form a solidwhite substance. When this substance is dissolved in water,the solution gives a positive test for hydrogen peroxide, H2O2.When the solution is tested in a burner flame, a lilac-purpleflame is produced. What is the likely identity of the metal?(b) Write a balanced chemical equation for the reaction ofthe white substance with water.