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Review ( 1st term)

Authored by Рахымжан Косанов

Chemistry

11th Grade

Used 12+ times

Review ( 1st term)
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17 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these species has a trigonal planar structure?

PH3

BCl3

H3O+

CH3-

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use your understanding of intermolecular forces to predict which of these compounds has the

highest boiling point.

HF

HCl

HBr

HI

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of bond is formed between N and B when a molecule of NH3 reacts with a molecule of

BF3?

Ionic

Covalent.

Co-ordinate

Van der Waals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these atoms has the highest electronegativity?

Na

Mg

Cl

Ar

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these substances does not show hydrogen bonding?

HF

NH3

CH3COOH

CHF3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these substances has permanent dipole-dipole attractions between molecules?

CCl4

C2F4

(CH3)2CO

CO2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following molecules is not planar?

BF3

NCl3

C2H4

HCHO

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