SATHEE: Some Basic Concepts Of Chemistry Question 188

Some Basic Concepts Of Chemistry Question 188

Question: What is the weight of oxygen required for the complete combustion of 2.8 kg of ethylene [CBSE PMT 1989]

Options:

A) 2.8 kg

B) 6.4 kg

C) 9.6 kg

D) 96 kg

Show Answer

Answer:

Correct Answer: B

Solution:

$C_{2} H_{4} + 2 O_{2} \to 2 C O_{2} + 2 H_{2} O$

$∵$ 28gm $C_{2} H_{4}$ requires 64gm oxygen
$∴$ $2.8 \times 10^{3}$ gm $C_{2} H_{4}$ requires = $\frac{64}{28} \times 2.8 \times 10^{3} g m$ $= 6.4 \times 10^{3} g m$ = 6.4kg.

Some Basic Concepts Of Chemistry Question 188

Question: What is the weight of oxygen required for the complete combustion of 2.8 kg of ethylene [CBSE PMT 1989]

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 188

Question: What is the weight of oxygen required for the complete combustion of 2.8 kg of ethylene [CBSE PMT 1989]

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

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