SATHEE: Some Basic Concepts Of Chemistry Question 10

Some Basic Concepts Of Chemistry Question 10

Question: A gaseous hydrocarbon gives upon combustion, 0.72 g of water and 3.08 g of $C O_{2}$ The empirical formula of the hydrocarbon is

Options:

A) $C_{2} H_{4}$

B) $C_{3} H_{4}$

C) $C_{6} H_{5}$

D) $C_{7} H_{8}$

Show Answer

Answer:

Correct Answer: D

Solution:

18 g $H_{2} O$ contains 2 g H.
$∴$ 0.72 g $H_{2} O$ contains 0.08 g H 44 g $C O_{2}$ contains 12 g C.
$∴$ 3.08 g $C O_{2}$ contains 0.84 g C. Elements Wt. Wt./at. mass Simple Ratio Simple Whole ratio C 0.84 0.84/12 0.07 7 H 0.08 0.08/1 0.08 8

$∴$ Empirical formula = $C_{7} H_{8}$

Some Basic Concepts Of Chemistry Question 10

Question: A gaseous hydrocarbon gives upon combustion, 0.72 g of water and 3.08 g of $C O_{2}$ The empirical formula of the hydrocarbon is

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

Some Basic Concepts Of Chemistry Question 10

Question: A gaseous hydrocarbon gives upon combustion, 0.72 g of water and 3.08 g of CO2 The empirical formula of the hydrocarbon is

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

Menu

Question: A gaseous hydrocarbon gives upon combustion, 0.72 g of water and 3.08 g of $C O_{2}$ The empirical formula of the hydrocarbon is