Consider the given reaction. The total number of oxygen atoms present per molecule of the product (P) is____.

Question

Match List I with List II.

List I (Molecule)		List II (Number and types of bond/s between two carbon atoms)
A.	ethane	I.	one σ-bond and two π-bonds
B.	ethene	II.	two π-bonds
C.	carbon molecule, C₂	III.	one σ-bonds
D.	ethyne	IV.	one σ-bond and one π-bond

Choose the correct answer from the options given below:

Answer 1

Ozonolysis of 2-butene is demonstrated. Ozone (O₃) breaks the double bond. Subsequent reduction with Zn/H₂O yields aldehydes or ketones. The ozonolysis of 2-butene proceeds as follows:

Reactant: \[\text{CH}_{3}\text{CH}=\text{CH}\text{CH}_{3}\]

Step 1: The C=C bond undergoes cleavage via ozonolysis.

Step 2: Two molecules of acetaldehyde (\[\text{CH}_{3}\text{CHO}\]) are produced.

Product (P): Each acetaldehyde molecule incorporates one oxygen atom.

Molecule	Oxygen Atoms
Acetaldehyde (\[\text{CH}_{3}\text{CHO}\])	1

Due to the symmetrical nature of 2-butene, only acetaldehyde is formed. Consequently, the total number of oxygen atoms per molecule of product (P) is 1.

Consider the given reaction. The total number of oxygen atoms present per molecule of the product (P) is____.

Correct Answer: 1

Solution and Explanation

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