A hydrocarbon X with a molar mass of 26 consists of 92.3% carbon. What is its molecular formular

Assessment: JAMB UTME - Chemistry - 2008 Subject: Chemistry

Question 1 Report

A hydrocarbon X with a molar mass of 26 consists of 92.3% carbon. What is its molecular formular
Answer Details
% of H2 = 100 - 92.3 = 7.7%
mole = 92.3/12 7.7/1
7.1/7.1 7.1/7.1
empirical formula = CH
(CH)n = 26
(12 + 1)n = 26
(13)n = 26
n = 26/13 = 2
molecular formula = C2H2
Read lesson note on Chemistry Of Carbon Compounds (Nigeria Only) (WAEC)
View Answer

Related Questions

1

Polyvinyl chloride is used in the production of
2

Leads is used for making bullets and lead shots because of its
3

Detergents are manufactured with straight hydrocarbon chains so as to make them
4

The product obtained when a mixture of benzene vapour and hydrogen are passed over nickel catalyst at 180oC is
5

If glucose is heated with concentration tetraoxosulphate (VI) acid, it will be dehydrated to
6

The most common ores of iron include
7

Reduction of nitroalkanes, nitrites and amides is a route for the preparation of
8

Reduction of alkanonoes with LialH4 produces

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning