Test Number 1.
Questions 1-3 refer to the following substances
(A)Cl2
(B)SO2
(C)CCl4
(D)HF
(E)NH4+
1. Which molecule is polar?
(A) HF
(B) SO2
(C) SO2 and CCl4
(D) SO2 and HF
(E) All of them.
2. Which molecule is an acid?
(A) NH4+
(B) HF
(C) HF and NH4+
(D) None of them
(E) All of them
3. Which molecule contains a double bond?
(A) Cl2
(B) SO2
(C) CCl4
(D) HF
(E) NH4+
4. Which molecule has a tetragonal geometry?
(A) NH4+
(B) CCl4
(C) Both CCl4 and NH4+
(D) SO2
(E) None of them
Questions 5-7 refer to the following substances
(A) CH4
(B) CH3COOH
(C) CH3CH2OH
(D) C2H2
(E) CH3OCH3
5. Which molecule(s) is/are a hydrocarbon(s)?
(A) CH4
(B) CH4 and C2H2
(C) CH3CH2OH
(D) C2H2
(E) CH3OCH3
6. Contains sp hybridised carbons.
(A) CH4
(B) CH3COOH
(C) CH3CH2OH
(D) C2H2
(E) CH3OCH3
7. If dissolved in water, has a pH < 7.
(A) CH4
(B) CH3COOH
(C) CH3CH2OH
(D) C2H2
(E) CH3OCH3
8. If x grams of S are needed to obtain 0.4 grams of SO3, how many grams of SO2 can be obtained from the same amount of S?
(A) 0.32 g
(B) 0.62 g
(C) 0.40 g
(D) 0.16 g
(E) Can not be calculated from the given data.
9. Which compound has the highest percent by mass of carbon?
(A) CH4
(B) CO2
(C) C6H6
(D) CH3OH
(E) C7H8
10. When the equation for the reaction represented below is balanced and all coefficients are reduced to lowest whole-number terms, the coefficient for Fe(s) is
…Fe(s) + …O2 => …Fe2O3 (s)
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
Showing posts with label Test 1. Show all posts
Showing posts with label Test 1. Show all posts
Sunday, 25 February 2007
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