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Who Wants to be a Bonding Millionaire?
Put the following in order of increasing strength:
A: Covalent bond • B : Van der Waals
• C: H bond • D: Dipole-dipole
The Correct order is:
B : Van der Vaals
• D : Dipole – Dipole forces
• C : Hydrogen bond
• A : Covalent bond
1. The bonding in sodium chloride is?
A: Ionic B: Metallic
C: Covalent D: Co-ordinate
50/50
1. The bonding in sodium chloride is ?
• A: Ionic
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2. In sodium oxide, oxygen forms ?
C: O2- ions D: O+ ions
B: O2+ ionsA: O- ions
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2. In sodium oxide, oxygen forms ?
C: O2- ions
3. The most electronegative element is
?
C: O D: Mg
B: FA: Cl
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3. The most electronegative element is
?
B: F
4. The electronegativity value for Ne is?
• A: 2.0 • B: 0
• C: 4.0 D: 2.1
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4. The electronegativity value for Ne is?
•B: 0
5. Hydrogen bonding is NOT present in ?
• A: HF • B: H2O
• C: NH3 • D: HCl
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5. Hydrogen bonding is NOT present in ?
• D: HCl
6. Which of the following will NOT conduct
electricity? A: graphite B: NaCl(l)
C: NaCl(S) D: NaCl(aq)
50/50
6. Which of the following will NOT conduct
electricity ?
C: NaCl(S)
7. Which element has the highest boiling point?
• A: Chlorine • B: Iodine
• C: Bromine • D: Fluorine
50/50
7. Which element has the highest boiling point ?
• B: Iodine
8. The bond angle in a CH4 molecule is ?
• A: 90o • B: 120o
• C: 180o28’ • D: 109o28’
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8. The bond angle in a CH4 molecule is ?
• D: 109o28’
9. What’s the strongest intermolecular attraction
present in HS? • A: Dipole-dipole • B: H bonding
• C: Covalent bonding • D: Van der Waals
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9. What’s the strongest intermolecular attraction
present in HS ? • A: Dipole-dipole
10. Which shape contains 90o bond angles ONLY?
• A: Tetrahedral • B: Trigonal bipyramid
• C: Octahedral • D: Trigonal planar
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10. Which shape contains 90o bond angles ONLY ?
• C: Octahedral
11. What has the highest melting point ?
A: Iodine B: Silicon dioxide
D: IronC: Sodium chloride
50/50
11. What has the highest melting point ?
B: Silicon dioxide
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12. Which bond has the greatest degree of
covalency? • A: H - F • B: H - Cl
• C: H - Br • D: H - H
50/50
12. Which bond has the greatest degree of covalency
?
• D: H - H
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13. What has the highest boiling point ?
• A: SH4• B: CH4
• C: PH3 • D: NH3
50/50
13. What has the highest boiling point ?
• D: NH3
******15 Main Prize*******14 13 12 11 * *****10 Major Prize****** 9 * 8 * 7 * 6 * ***** Minor Prize ***** 5 * 4 * 3 * 2 * 1 * 1 *
• A: tetrahedral • B: distorted tetrahedral
• C: octahedral • D: trigonal planar
14. The shape of a PCl3 molecule is ?
50/50
• B: distorted tetrahedral
14. The shape of a PCl3 molecule is ?
15. The bond angle in a NH2
- molecule is ?
• A: 105o • B: 180o
• C: 109o28’ • D: 107o
50/50
15. The bond angle in a NH2
- molecule is ?
• A: 105o
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