Chem Chapter 10 practice questions

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15) Determine the electron geometry (eg) and molecular geometry (mg) of XeF4. A) eg=tetrahedral, mg=tetrahedral B) eg=linear, eg=linear C) eg=tetrahedral, mg=bent D) eg=trigonal bipyramidal, mg=tetrahedral E) eg=octahedral, mg=square planar

E) eg=octahedral, mg=square planar

8) Determine the electron geometry (eg) and molecular geometry (mg) of SiF4. A) eg=tetrahedral, mg=trigonal pyramidal B) eg=octahedral, mg=square planar C) eg=trigonal bipyramidal, mg=trigonal pyramidal D) eg=tetrahedral, mg=bent E) eg=tetrahedral, mg=tetrahedral

E) eg=tetrahedral, mg=tetrahedral

2) Give the approximate bond angle for a molecule with a tetrahedral shape. A) 109.5° B) 180° C) 120° D) 105° E) 90°

A) 109.5°

19) Consider the molecule below. Determine the molecular geometry at each of the 3 labeled atoms. A) 1=trigonal planar, 2=tetrahedral, 3=trigonal pyramidal B) 1=tetrahedral, 2=tetrahedral, 3=tetrahedral C) 1=trigonal planar, 2=tetrahedral, 3=tetrahedral D) 1=tetrahedral, 2=tetrahedral, 3=trigonal planar E) 1=trigonal planar, 2=trigonal pyramidal, 3=trigonal pyramidal

A) 1=trigonal planar, 2=tetrahedral, 3=trigonal pyramidal

20) Place the following in order of increasing X-Se-X bond angle, where X represents the outer atoms in each molecule. SeO2 SeCl6 SeF2 A) SeCl6 < SeF2 < SeO2 B) SeF2 < SeO2 < SeCl6 C) SeF2 < SeCl6 < SeO2 D) SeO2 < SeF2 < SeCl6 E) SeCl6 < SeO2 < SeF2

A) SeCl6 < SeF2 < SeO2

16) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3. A) eg=tetrahedral, mg=tetrahedral B) eg=linear, eg=linear C) eg=tetrahedral, mg=bent D) eg=trigonal bipyramidal, mg=tetrahedral E) eg=octahedral, mg=square planar

A) eg=tetrahedral, mg=tetrahedral

9) Determine the electron geometry (eg) and molecular geometry (mg) of PF5. A) eg=trigonal bipyramidal, mg=trigonal bipyramidal B) eg=octahedral, mg=octahedral C) eg=trigonal bipyramidal, mg=tetrahedral D) eg=tetrahedral, mg=trigonal pyramidal E) eg=trigonal planar, mg=octahedral

A) eg=trigonal bipyramidal, mg=trigonal bipyramidal

5) Determine the electron geometry (eg) and molecular geometry(mg) of BCl3. A) eg=trigonal planar, mg=trigonal planar B) eg=tetrahedral, mg=trigonal planar C) eg=tetrahedral, mg=trigonal pyramidal D) eg=trigonal planar, mg=bent E) eg=trigonal bipyramidal, mg= trigonal bipyramidal

A) eg=trigonal planar, mg=trigonal planar

3) Give the approximate bond angle for a molecule with a linear shape. A) 109.5° B) 180° C) 120° D) 105° E) 90°

B) 180°

12) Determine the electron geometry (eg) and molecular geometry (mg) of BrF3. A) eg=trigonal planar, mg=trigonal planar B) eg=trigonal bipyramidal, mg= T-shape C) eg=trigonal planar, mg=bent D) eg=trigonal bipyramidal, mg=see-saw E) eg=tetrahedral, mg=trigonal pyramidal

B) eg=trigonal bipyramidal, mg= T-shape

1) Give the approximate bond angle for a molecule with a trigonal planar shape. A) 109.5° B) 180° C) 120° D) 105° E) 90°

C) 120°

17) Determine the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3. A) eg=tetrahedral, mg=tetrahedral B) eg=linear, eg=linear C) eg=tetrahedral, mg=bent D) eg=trigonal bipyramidal, mg=tetrahedral E) eg=octahedral, mg=square planar

C) eg=tetrahedral, mg=bent

13) Determine the electron geometry (eg) and molecular geometry (mg) of ICl2⁻. A) eg=tetrahedral, mg=bent B) eg=tetrahedral, mg=trigonal pyramidal C) eg=trigonal bipyramidal, mg=linear D) eg=trigonal bipyramidal, mg=trigonal planar E) eg=octahedral, mg=linear

C) eg=trigonal bipyramidal, mg=linear

18) Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons. A) C1 = tetrahedral, C2 = linear B) C1 = trigonal planar, C2= bent C) C1 = bent, C2 = trigonal planar D) C1 = trigonal planar, C2 = tetrahedral E) C1 = trigonal pyramidal, C2 = see-saw

D) C1 = trigonal planar, C2 = tetrahedral

10) Determine the electron geometry (eg) and molecular geometry (mg) of CO2. A) eg=tetrahedral, mg=tetrahedral B) eg=linear, mg=trigonal planar C) eg=trigonal planar, mg=bent D) eg=linear, mg=linear E) eg=trigonal planar, mg=trigonal planar

D) eg=linear, mg=linear

14) Determine the electron geometry (eg) and molecular geometry (mg) of XeF2. A) eg=trigonal bipyramidal, mg=bent B) eg=linear, mg=linear C) eg=tetrahedral, mg=linear D) eg=trigonal bipyramidal, mg=linear E) eg=tetrahedral, mg=bent

D) eg=trigonal bipyramidal, mg=linear

6) Determine the electron geometry (eg) and molecular geometry (mg) of CO32⁻. A) eg=tetrahedral, mg=tetrahedral B) eg=tetrahedral, mg=trigonal pyramidal C) eg=trigonal planar, mg=bent D) eg=trigonal planar, mg=trigonal planar E) eg=tetrahedral, mg=trigonal planar

D) eg=trigonal planar, mg=trigonal planar

7) Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1. A) eg=tetrahedral, mg=tetrahedral B) eg=tetrahedral, mg=trigonal pyramidal C) eg=trigonal planar, mg=bent D) eg=trigonal planar, mg=trigonal planar E) eg=tetrahedral, mg=trigonal planar

D) eg=trigonal planar, mg=trigonal planar

4) Give the approximate bond angle for a molecule with an octahedral shape. A) 109.5° B) 180° C) 120° D) 105° E) 90°

E) 90°

11) Determine the electron geometry (eg) and molecular geometry (mg) of NCl3. A) eg=tetrahedral, mg=tetrahedral B) eg=linear, mg=trigonal planar C) eg=trigonal planar, mg=bent D) eg=linear, mg=linear E) eg=tetrahedral, mg=trigonal pyramidal

E) eg=tetrahedral, mg=trigonal pyramidal


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