
Concept explainers
(a)
Interpretation: For the given three compounds, the names are needed to be determined.
Concept introduction:
- Naming of molecular binary compounds (two element compounds),
The binary compounds of hydrogen with nonmetals are named as hydrogen followed by nonmetals name in ‘ide’ form (add ‘ide’ into stem of the name).
The binary compounds formed by combination of group 4A-7A elements are named as putting the first name as early group elements and last name as late group element in ‘ide’ form. The more than one number of an element is named by adding prefix as “di-, tri-, tetra-, penta- and so on.
- Naming of ions:
Positive ions (cations) are named as metal name, example: aluminum for aluminum cation.
But, for the
transition metals the ionic charge also included by roman numerals with the naming of compound.Negative ions (anions) are named by adding ‘ide’ to the stem of the nonmetal element, from which the anion is formed, example: chloride, bromide, etc.
- Molar masses of BaF2,SiCl4 and NiBr2 are 175.3g, 169.8 and 218.53g respectively.
- Conversion formula for number moles of an
atom into mass ,
Molar mass×Number of moles = Mass in grams
(b)
Interpretation: For the given three compounds, the ionic and molecular compounds have to be identified.
Concept introduction:
- Naming of molecular binary compounds (two element compounds),
The binary compounds of hydrogen with nonmetals are named as hydrogen followed by nonmetals name in ‘ide’ form (add ‘ide’ into stem of the name).
The binary compounds formed by combination of group 4A-7A elements are named as putting the first name as early group elements and last name as late group element in ‘ide’ form. The more than one number of an element is named by adding prefix as “di-, tri-, tetra-, penta- and so on.
- Naming of ions:
Positive ions (cations) are named as metal name, example: aluminum for aluminum cation.
But, for the transition metals the ionic charge also included by roman numerals with the naming of compound.
Negative ions (anions) are named by adding ‘ide’ to the stem of the nonmetal element, from which the anion is formed, example: chloride, bromide, etc.
- Molar masses of BaF2,SiCl4 and NiBr2 are 175.3g, 169.8 and 218.53g respectively.
- Conversion formula for number moles of an atom into mass,
Molar mass×Number of moles = Mass in grams
(c)
Interpretation: For given three compounds, the largest mass containing compound are needed to be determined.
Concept introduction:
- Naming of molecular binary compounds (two element compounds),
The binary compounds of hydrogen with nonmetals are named as hydrogen followed by nonmetals name in ‘ide’ form (add ‘ide’ into stem of the name).
The binary compounds formed by combination of group 4A-7A elements are named as putting the first name as early group elements and last name as late group element in ‘ide’ form. The more than one number of an element is named by adding prefix as “di-, tr-, tetra-, penta- and so on.
- Naming of ions:
Positive ions (cations) are named as metal name, example: aluminum for aluminum cation.
But, for the transition metals the ionic charge also included by roman numerals with the naming of compound.
Negative ions (anions) are named by adding ‘ide’ to the stem of the nonmetal element, from which the anion is formed, example: chloride, bromide, etc.
- Molar masses of BaF2,SiCl4 and NiBr2 are 175.3g, 169.8 and 218.53g respectively.
- Conversion formula for number moles of an atom into mass,
Molar mass×Number of moles = Mass in grams

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Chapter 2 Solutions
Chemistry & Chemical Reactivity
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- Draw the stepwise mechanism for the reactionsarrow_forwardPart I. a) Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone b) Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone (3,3-dimethyl-2-butanone) and 2, 3-dimethyl - 1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forward3. The explosive decomposition of 2 mole of TNT (2,4,6-trinitrotoluene) is shown below: Assume the C(s) is soot-basically atomic carbon (although it isn't actually atomic carbon in real life). 2 CH3 H NO2 NO2 3N2 (g)+7CO (g) + 5H₂O (g) + 7C (s) H a. Use bond dissociation energies to calculate how much AU is for this reaction in kJ/mol.arrow_forward
- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone and (3,3-dimethyl-2-butanone) 2,3-dimethyl-1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forwardShow the mechanism for these reactionsarrow_forwardDraw the stepwise mechanismarrow_forward
- Draw a structural formula of the principal product formed when benzonitrile is treated with each reagent. (a) H₂O (one equivalent), H₂SO₄, heat (b) H₂O (excess), H₂SO₄, heat (c) NaOH, H₂O, heat (d) LiAlH4, then H₂Oarrow_forwardDraw the stepwise mechanism for the reactionsarrow_forwardDraw stepwise mechanismarrow_forward
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- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning



