Gce Model Questions Vol1 2024 Chemistry Question 25

Practice objective / multiple choice question 25 from the 2024 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2024 Chemistry Objective / Multiple Choice Medium Difficulty
Question 25 GCE_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • objective

The compound \(\mathrm{C_6H_5CH=CHCH_3}\) (β‑methylstyrene) is subjected to ozonolysis followed by reductive work‑up.\n\n(a) Write the structures of the two organic products formed.\n\n(b) If \(5.00\;\text{g}\) of the alkene (molar mass \(118\;\text{g mol}^{-1}\)) is completely converted and the yield is 100 %, calculate the mass of phenylacetaldehyde obtained (to three significant figures).

Answer Options

A. Phenylacetaldehyde (C₈H₈O) and formaldehyde (CH₂O); 5.08 g phenylacetaldehyde
B. Phenylacetaldehyde (C₈H₈O) and acetaldehyde (CH₃CHO); 4.56 g phenylacetaldehyde
Correct Answer C. Phenylacetaldehyde (C₈H₈O) and acetaldehyde (CH₃CHO); 5.08 g phenylacetaldehyde
D. Benzaldehyde (C₇H₆O) and acetaldehyde (CH₃CHO); 5.08 g phenylacetaldehyde
Correct Answer
C
Correct Option:
Phenylacetaldehyde (C₈H₈O) and acetaldehyde (CH₃CHO); 5.08 g phenylacetaldehyde

About This Question

This is Gce Model Questions Vol1 2024 Chemistry Question 25. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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