Page 9 - Pharmacy College Admission Test Review Book

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10. Which of the following atoms has the 15. Which of the following is classified as a
highest electronegativity? polytropic acid?

a. Cl a. Hydrochloric acid
b. Br b. Sulfuric acid
c. N c. Nitric acid
d. F d. Acetic acid

11. Which of the following molecules have zero 16. What would be the percentage mass of
dipole? chlorine in a molecule of methyl chloride? (C = 12
gm/mole, H = 1 gm/mole, Cl = 35.5 gm/mole)
a. H 2
b. CCl 4 a. 18 %
c. CH 4 b. 50 %
d. All of the above c. 70 %
d. 12 %
12. Which of the following has the highest
melting point? 17. What would be the atomic number (Z) for
63 ? (Assume Ni has 35 neutrons)

a. Sodium chloride
b. Methane a. 35
c. Potassium nitrate b. 28
d. Butane c. 63
d. None of the above
13. According to the Lewis definition, which of
the following is classified as an acid? 18. Which of the following is found to be
different in isotopes of the same chemical element?

a. Protons
BF 3 + C 2H 5OC 2H 5
b. Neutrons
c. Electrons
a. BF 3 d. Atomic number
b. C 2H 5OC 2H 5
c. BF 3O (C 2H5) 2 19. How many numbers of atoms are present in
d. None of the above 1 mole of oxygen atoms?

14. According to the Lowry-Bronsted definition, a. 1
which of the following is the conjugated acid? b. 2
23
c. 6.022 x 10
-
+
HCl + H 2O H 3O + Cl d. None of the above

a. HCl 20. How many moles of methanol are present
b. H 2O in 20 gm of methanol? (C = 12, H = 1, O = 16)
+
c. H 3O
-
d. Cl a. 0.312
b. 0.625
c. 0.150
d. 1.25

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