(a) Interpretation: The compound having highest melting point should be determined. Concept introduction: The binary hydrides are compounds which contain hydrogen and one other element. Binary hydrides can be classified as ionic, covalent or metallic. Covalent hydrides have lowest melting and boiling points because they have relatively weak intermolecular forces between molecules. Ionic hydrides have higher boiling and melting points, because they have stronger ionic interactions between molecules.
(a) Interpretation: The compound having highest melting point should be determined. Concept introduction: The binary hydrides are compounds which contain hydrogen and one other element. Binary hydrides can be classified as ionic, covalent or metallic. Covalent hydrides have lowest melting and boiling points because they have relatively weak intermolecular forces between molecules. Ionic hydrides have higher boiling and melting points, because they have stronger ionic interactions between molecules.
Solution Summary: The author explains that binary hydrides are compounds which contain hydrogen and one other element. They can be classified as ionic, covalent or metallic.
The compound having highest melting point should be determined.
Concept introduction:
The binary hydrides are compounds which contain hydrogen and one other element. Binary hydrides can be classified as ionic, covalent or metallic. Covalent hydrides have lowest melting and boiling points because they have relatively weak intermolecular forces between molecules. Ionic hydrides have higher boiling and melting points, because they have stronger ionic interactions between molecules.
Interpretation Introduction
(b)
Interpretation:
The compound having lowest boiling point should be determined.
Concept introduction:
The binary hydrides are compounds which contain hydrogen and one other element. Binary hydrides can be classified as ionic, covalent or metallic. Covalent hydrides have lowest melting and boiling points because they have relatively weak intermolecular forces between molecules. Ionic hydrides have higher boiling and melting points, because they have stronger ionic interactions between molecules.
Interpretation Introduction
(c)
Interpretation:
The compounds that yield H2 gas when they are mixedshould be determined.
Concept introduction:
H− ions are good proton acceptors. So, ionic hydrides react with water to give H2 and OH−
(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.
Which of the following statements are true?(a) Both nitrogen and phosphorus can form a pentafluoridecompound.(b) Although CO is a well-known compound, SiO does notexist under ordinary conditions.(c) Cl2 is easier to oxidize than I2.(d) At room temperature, the stable form of oxygen is O2,whereas that of sulfur is S8.
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)?
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell