Understanding 2,2-Dimethylpentane Structure

Understanding 2,2-Dimethylpentane Structure

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to write the structural formula for 2,2-dimethylpentane. It begins by identifying the compound as an alkane, characterized by carbon atoms with single bonds surrounded by hydrogen atoms. The tutorial then constructs a pentane chain with five carbon atoms and adds two methyl groups to the second carbon. The final structure is presented, and the molecular formula C7H16 is derived. The video concludes with a brief mention of visualizing the structure in three dimensions.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of hydrocarbon is 2,2-Dimethylpentane?

Aromatic

Alkene

Alkyne

Alkane

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many carbon atoms are present in the pentane chain of 2,2-Dimethylpentane?

Three

Four

Five

Six

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'methyl group' refer to in organic chemistry?

CH4

CH3

C2H5

C3H7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are the methyl groups located in 2,2-Dimethylpentane?

Third carbon

Second carbon

Fourth carbon

First carbon

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the '2,2' in 2,2-Dimethylpentane?

Indicates two methyl groups on the second carbon

Indicates two methyl groups on the fourth carbon

Indicates two methyl groups on the first carbon

Indicates two methyl groups on the third carbon

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many bonds does each carbon atom form in the structure of 2,2-Dimethylpentane?

Five

Four

Three

Two

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molecular formula of 2,2-Dimethylpentane?

C6H14

C5H12

C8H18

C7H16

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are present in 2,2-Dimethylpentane?

12

14

18

16

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a three-dimensional view, how many methyl groups are attached to the second carbon in 2,2-Dimethylpentane?

Two

Four

One

Three