Test Number 3-Ace the SAT II Chemistry

1. From their electron configurations, one can predict that the geometric configuration for which of the following molecules is correct?

(A) HF bent (v shaped)
(B) H2O tetrahedral
(C) BF3 trigonal planar
(D) NF3 trigonal planar
(E) More than an answer is correct

2. Which of the following statements about carbon dioxide is true?

(A) It is less dense than air at STP
(B) If dissolved in water, the pH of the solution is > 7.
(C) It has a linear geometry
(D) At room temperature it decomposes into Carbon and Oxygen
(E) All statements are wrong.





3. How many grams of H2O are formed in the complete combustion of 5.8 grams of butane, C4H10?

(A) 0.9 g
(B) 1.8 g
(C) 18 g
(D) 9 g
(E) 4.5 g



4. Which of the following species can act as a Bronsted-Lowry acid?

(A) NH4+
(B) (CO3)2-
(C) NH3
(D) NaH
(E) Ba(OH)2

Questions 5-8 refer to the following substances:


(A) SO3
(B) HCl
(C FeCl3
(D) AgCl
(E) MgO

5. Which of the following is known to produce acid rain?

(A) SO3
(B) HCl
(C) FeCl3
(D) AgCl
(E) MgO

6. Which of the following is a salt that forms acidic aqueous solutions

(A) SO3
(B) HCl
(C) FeCl3
(D) AgCl
(E) MgO


7. Which of the following is a basic oxide?

(A) SO3
(B) HCl
(C) FeCl3
(D) AgCl
(E) MgO

8. Which of the following is insoluble in water at 25 C?

(A) SO3
(B) HCl
(C) FeCl3
(D) AgCl
(E) MgO

9. The increasing order of the ionic/atomic radius is correctly shown in:

(A) K + > Ar > Cl-
(B) Cl- > K+ > Ar
(C) K+ > Cl- > Ar
(D) Cl- > Ar > K+
(E) Ar > Cl- > K+

10. Which of the following is an alkali earth metal?

(A) Li
(B) Na
(C) Mg
(D) Al
(E) Pb