Acid-Base Reactions and Properties

Acid-Base Reactions and Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video explores whether KMnO4 is acidic, basic, or neutral when dissolved in water. It explains the neutralization reaction between HMnO4 and KOH, identifying HMnO4 as a strong acid and KOH as a strong base. The video concludes that the resulting salt, KMnO4, is neutral in water with a pH of 7.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video regarding KMnO4?

Its color in water

Its solubility in water

Whether it is acidic, basic, or neutral in water

Its chemical formula

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is used to determine the nature of KMnO4 in water?

Neutralization reaction

Combustion reaction

Synthesis reaction

Decomposition reaction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which acid is involved in the formation of KMnO4?

HCl

H2SO4

HMnO4

HNO3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is HMnO4 classified in terms of acid strength?

Moderate acid

Strong acid

Not an acid

Weak acid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the classification of KOH in terms of base strength?

Moderate base

Not a base

Strong base

Weak base

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pH of the resulting solution when a strong acid and a strong base neutralize?

More than 7

Cannot be determined

Exactly 7

Less than 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the nature of KMnO4 when dissolved in water?

Acidic

Basic

Neutral

Amphoteric

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which rule is applied to determine the nature of the salt formed from a strong acid and a strong base?

The salt is always acidic

The salt is amphoteric

The salt is always basic

The salt is neutral

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is the presenter of the video?

Dr. B

Dr. A

Dr. C

Dr. D