Why is methanol more dangerous than ethanol when consumed, even in small quantities?

Q: What is the correct answer for CBSE10?

The correct answer is B. The 'Do You Know?' section explains, 'Unlike ethanol, intake of methanol in very small quantities can cause death. Methanol is oxidised to methanal in the liver. Methanal reacts rapidly with the components of cells. It coagulates the protoplasm, in much the same way an egg is coagulated by cooking. Methanol also affects the optic nerve, causing blindness'.

Q: Why is methanol more dangerous than ethanol when consumed, even in small quantities?

The correct answer is B. The 'Do You Know?' section explains, 'Unlike ethanol, intake of methanol in very small quantities can cause death. Methanol is oxidised to methanal in the liver. Methanal reacts rapidly with the components of cells. It coagulates the protoplasm, in much the same way an egg is coagulated by cooking. Methanol also affects the optic nerve, causing blindness'.

Q: What are the options for this CBSE10 question?

A. Methanol is a stronger acid. · B. Methanol is oxidized to methanal in the liver, which coagulates protoplasm and affects the optic nerve. · C. Methanol has a higher boiling point, making it harder to excrete. · D. Methanol is less soluble in water, leading to higher concentration in the body.

Question

Why is methanol more dangerous than ethanol when consumed, even in small quantities?

FirstInTest · Accepted Answer

The 'Do You Know?' section explains, 'Unlike ethanol, intake of methanol in very small quantities can cause death. Methanol is oxidised to methanal in the liver. Methanal reacts rapidly with the components of cells. It coagulates the protoplasm, in much the same way an egg is coagulated by cooking. Methanol also affects the optic nerve, causing blindness'.

Answer

Methanol is a stronger acid.

Answer

Methanol is oxidized to methanal in the liver, which coagulates protoplasm and affects the optic nerve.

Answer

Methanol has a higher boiling point, making it harder to excrete.

Answer

Methanol is less soluble in water, leading to higher concentration in the body.

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