Neco Model Questions Vol1 2017 Chemistry Question 12

Practice objective / multiple choice question 12 from the 2017 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 12 NECO_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

2.50 g of the compound \(\text{C}_3\text{H}_6\text{O}\) is hydrogenated with excess \(\text{H}_2\) in the presence of a nickel catalyst to give \(\text{C}_3\text{H}_8\text{O}\). (a) Calculate the percent yield if 1.20 g of product is obtained. (b) How many moles of \(\text{H}_2\) are consumed in the reaction? (The reaction follows \(\text{C}_3\text{H}_6\text{O} + 2\,\text{H}_2 \rightarrow \text{C}_3\text{H}_8\text{O}\).)

Answer Options

A. Percent yield = 62.5 %; moles of H₂ consumed = 0.050 mol
Correct Answer B. Percent yield = 46.4 %; moles of H₂ consumed = 0.086 mol
C. Percent yield = 55.0 %; moles of H₂ consumed = 0.075 mol
D. Percent yield = 38.2 %; moles of H₂ consumed = 0.092 mol
Correct Answer
B
Correct Option:
Percent yield = 46.4 %; moles of H₂ consumed = 0.086 mol

About This Question

This is Neco Model Questions Vol1 2017 Chemistry Question 12. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

View More Neco Model Questions Vol1 2017 Chemistry Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support