A substance which dissolves readily in organic solvent would

Step 1: Analyze the question We need to identify the type of substance that dissolves readily in organic solvents (such as ethanol, benzene, or tetrachloromethane).

Step 2: The concept: "like dissolves like"

• Organic solvents are non-polar or weakly polar. They dissolve substances with similar properties, which are non-polar or covalent substances.
• Polar solvents like water dissolve ionic compounds. Ionic compounds have strong electrostatic forces of attraction, which water molecules can overcome.

Step 3: Evaluate each option

• A. Be a covalent compound. Correct. Covalent compounds (e.g., naphthalene, fats, iodine, wax) have weak intermolecular forces and dissolve readily in organic solvents.
• B. Have strong electrostatic forces of attraction. Wrong. This describes ionic compounds, which are generally insoluble in organic solvents.
• C. Have a high melting point. Wrong. High melting points are typical of ionic or giant structures, which do not dissolve in organic solvents. Simple covalent substances have low melting points.
• D. Conduct electricity in molten state. Wrong. Only ionic compounds (and metals) conduct when molten. Covalent compounds do not.

Step 4: Answer The substance is most likely a covalent compound, so the answer is A.

Tip: Remember "like dissolves like":

• Ionic and polar substances dissolve in water (polar solvent).
• Covalent and non-polar substances dissolve in organic solvents.

If you see "organic solvent," think "covalent."