Question

Producer gas is a mixture

• A. $\mathrm{CO}+{\mathrm{N}}_2$
• B. $\mathrm{CO}+{\mathrm{H}}_2$
• C. $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{CH}}_4$
• D. $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{N}}_2$

Answer 1

Answer: (A), (D)

$\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{N}}_2$

The explanation for the correct option

Option A: When carbon is burnt in the insufficient presence of air, a mixture of $\mathrm{CO}$, and ${\mathrm{N}}_2$ is formed, known as producer gas.

Option D: $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{N}}_2$ is a mixture of carbon monoxide, hydrogen, and nitrogen also known as producer gas.

• When coal or coke is burned with insufficient air and a controlled amount of moisture, the result is producer gas.
• Producer gas has a poor heating value because the nitrogen in the air remains unchanged and dilutes the gas.

The explanation of incorrect options:

Option B: $\mathrm{CO}+{\mathrm{H}}_2$ is known as water gas or synthesis gas, containing carbon monoxide and hydrogen.

It is a useful product but requires careful handling due to its flammability and the risk of carbon monoxide poisoning.

Option C: $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{CH}}_4$ is a gaseous mixture mainly of hydrogen, methane, and carbon monoxide called coal gas

Thus options A and D are the correct options.