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AEC3302-Q2 (17/12/2024)

Authored by SITI SOH

Chemistry

University

Used 8+ times

AEC3302-Q2 (17/12/2024)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Define the Lewis  concept of acids and bases

acids produce H+ ion and bases produce OH- ion

acids are proton donors and bases are proton acceptors

acids are electron pair acceptors and bases are electron pair donor

acids are electron pair donor and bases are electron pair acceptors

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Select the correct formula of hydronium ion and the hydroxide ion

H3O+, OH+

OH-, H3O-

OH-, H+

H3O+, OH-

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Arrange the acids HOCl, HClO3, and HClO2 in order of increasing acid strength

HOCl < HClO2 < HClO3

HOCl < HClO3 < HClO2

HClO2 < HOCl < HClO3

HClO3 < HOCl < HClO

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Refer to the following balanced redox equation, identify which species is reducing agent.

MnO2

Mn

Cl-

Cl2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Determine the oxidizing agent in the following redox equation .

NO3-

H2S

NO2

H2O

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Identify the oxidation number (O.N.) of N in the KNO3.

+6

+5

+3

+1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Hard acids tend to bind to hard bases and produce

Acidic

Basic

high ionic character

high covalent character

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