Draw the structure of 4-isopropyl-2. 4. 5-trimethylheptane.

In the structure of 4-isopropyl-2,4,5-trimethylheptane, identify the primary, secondary, and tertiary hydrogens.

General guidance

Concepts and reason
The hydrogens which are attached to primary carbons are called primary hydrogens. The hydrogens which are attached to secondary carbons are called secondary hydrogens. Similarly, the hydrogens which are attached to tertiary carbons are called tertiary hydrogens.

Fundamentals

Primary is represented as, secondary is represented as and tertiary is represented as. Primary carbons are the carbons which are attached to one other carbon atom and secondary carbons are the carbons which are attached to two other carbon atoms. Similarly, tertiary carbon atoms are attached to three other carbon atoms.

Step-by-step

Step 1 of 2

The structure of is as follows:

There are 7 primary carbons, two secondary carbons and three tertiary carbons are present in this structure.

In this compound, all the terminal carbons are attached to only other carbon atoms. Hence, they are primary carbons. In the remaining carbons, the carbons in groups are attached to two other carbon atoms. Hence, they are secondary carbons. Similarly, the carbons in groups are attached to 3 other carbons. Hence, they are tertiary carbons.

Make sure that the carbon atoms in allgroups are identified as primary carbons.

Identify the hydrogens present on primary, secondary, and tertiary carbons atoms. The hydrogens present on primary carbons are primary hydrogens, the hydrogens present on secondary carbons are secondary hydrogens and the hydrogens present on tertiary carbon are tertiary hydrogens.

Step 2 of 2

Identify the primary, secondary, and tertiary hydrogens as follows:

The primary, secondary, and tertiary hydrogens as follows:

The hydrogens present on primary carbons are primary hydrogens, the hydrogens present on secondary carbons are secondary hydrogens and the hydrogens present on tertiary carbon are tertiary hydrogens.

Answer

The primary, secondary, and tertiary hydrogens as follows:

Answer only

The primary, secondary, and tertiary hydrogens as follows:

4-isopropyl-2,4,5-trimethylheptane
ÇHz ÇHz ÇHz H2 L C—•— •— H2 H2C— C— •—CH; CH H3C CH3 4-isopropyl-2,4,5-trimethylheptane
-CH-
-CH-
H2 H3C— CH— H2 C— T C— C— C—CH3 CH P H3C CH3 p 4-isopropyl-2,4,5-trimethylheptane
H2 H3C— CH— H2 C— T C— C— C—CH3 CH P H3C CH3 p 4-isopropyl-2,4,5-trimethylheptane
H2 H3C— CH— H2 C— T C— C— C—CH3 CH P H3C CH3 p 4-isopropyl-2,4,5-trimethylheptane
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