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Answer Q35, 36, 37

Answer Q35, 36, 37

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q35, 36, 37

The atomic number of an element is: Number of electrons in á neutral atom Number of protons in the nucleus Numerical position of the element in the 39. (lir). +41,0a Ihe reducmg agent is (A) Mn (B) Ha) Fen (D) Mn0 Which of the following experimental Periodic Table 35. The melting points of magnesium oxide 40. measure the rate of reaction between Cr.0 and (MgO) and barium oxide (BaO) are 3173 K and MnO) 2Mnt) + 16Hg) + 50,0 techniques may NOT be conveniently used to (MeO) and barium oxide (BaO) are 3173 K and and 2196 K respectively. This is because: in acid medium? The cquation is Tlhe barium ion is a smaller jon than the magnesium ion The molar masses of the oxides are different Magnesium ton has a high charge density Teading to some covalent character 41. methylamine dissolves in water CH,NH, +H,0 =CH,NII + OH- Base 1 Acid 2 Acid 1 Base 2 CHNH, is Lewis base OH is a conjugate base of HyO CH NH/CH NH, is an acul/tbase conjugate pair - 2Mn + 10C0, + NII,0 (A) Titration (B) Colorimetry (C) Dilatometry D) Conductimetry 3 Which of the following equilibrium reactions The equilibrium below is ohtained when 36. IS NOT affected by a change in pressure? 2NO = N,04tan) NO + CO =2 Ne + COe B. (3) (C) N) + 3He) 2NIIe) (D) Question 37 and 38 refer to the electronic Lontigarations below. Nitrogen has five valence The clements m the series Se to1 Are callea d-block elements Are all metals of high melting points Have an incompletely filled 3d suh-shell 42. electrons. Consider the followng electron 2. with the exception of Cu and Zn The ionization energy of a hydrogen alom is Energy jump in the Balmer series Obtained from the line enission spectrum of 2p 43. 11 2. hydrogen gas 3. Obtained at the beginaing of the nti 37. Which epresents the grixtmd tate nitiogen? 44. Which of the following statenicus apply to the ethene (CHa) molecuke The H-C- H bond angles are tetrahedral Four electrons are involved in bonding in the (B) (C) (D) Which represents the electron arrangement for N jon? (A) AB) (C) 21 carbon-carbon bond It is planar in shape / 38. 3. (D) 45. Instructions for questions 39-47 (NINE questions). In this section, ONE or MORE of the options given may be correct. Select your answer by means of the following code. IL I and 2 only are correct If 2 and 3 only are correct I13 only is correct le avTHD
Transcribed Image Text:The atomic number of an element is: Number of electrons in á neutral atom Number of protons in the nucleus Numerical position of the element in the 39. (lir). +41,0a Ihe reducmg agent is (A) Mn (B) Ha) Fen (D) Mn0 Which of the following experimental Periodic Table 35. The melting points of magnesium oxide 40. measure the rate of reaction between Cr.0 and (MgO) and barium oxide (BaO) are 3173 K and MnO) 2Mnt) + 16Hg) + 50,0 techniques may NOT be conveniently used to (MeO) and barium oxide (BaO) are 3173 K and and 2196 K respectively. This is because: in acid medium? The cquation is Tlhe barium ion is a smaller jon than the magnesium ion The molar masses of the oxides are different Magnesium ton has a high charge density Teading to some covalent character 41. methylamine dissolves in water CH,NH, +H,0 =CH,NII + OH- Base 1 Acid 2 Acid 1 Base 2 CHNH, is Lewis base OH is a conjugate base of HyO CH NH/CH NH, is an acul/tbase conjugate pair - 2Mn + 10C0, + NII,0 (A) Titration (B) Colorimetry (C) Dilatometry D) Conductimetry 3 Which of the following equilibrium reactions The equilibrium below is ohtained when 36. IS NOT affected by a change in pressure? 2NO = N,04tan) NO + CO =2 Ne + COe B. (3) (C) N) + 3He) 2NIIe) (D) Question 37 and 38 refer to the electronic Lontigarations below. Nitrogen has five valence The clements m the series Se to1 Are callea d-block elements Are all metals of high melting points Have an incompletely filled 3d suh-shell 42. electrons. Consider the followng electron 2. with the exception of Cu and Zn The ionization energy of a hydrogen alom is Energy jump in the Balmer series Obtained from the line enission spectrum of 2p 43. 11 2. hydrogen gas 3. Obtained at the beginaing of the nti 37. Which epresents the grixtmd tate nitiogen? 44. Which of the following statenicus apply to the ethene (CHa) molecuke The H-C- H bond angles are tetrahedral Four electrons are involved in bonding in the (B) (C) (D) Which represents the electron arrangement for N jon? (A) AB) (C) 21 carbon-carbon bond It is planar in shape / 38. 3. (D) 45. Instructions for questions 39-47 (NINE questions). In this section, ONE or MORE of the options given may be correct. Select your answer by means of the following code. IL I and 2 only are correct If 2 and 3 only are correct I13 only is correct le avTHD
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