Compounds MCQs with Answers

One-liner

The mass of 2 moles of sodium hydroxide (NaOH) is 80 g.

One-liner

A salt that does not contain any replaceable hydrogen atom or hydroxyl group is called a normal salt.

One-liner

NH₄Cl (ammonium chloride) contains three types of chemical bonds: ionic, covalent, and coordinate covalent (dative) bonds.

One-liner

The shape of the ammonia molecule is pyramidal (trigonal pyramidal) due to the presence of one lone pair on the nitrogen atom.

One-liner

60g of CO₂ contains 1.364 moles, calculated by dividing the given mass (60g) by the molar mass of CO₂ (44 g/mol).

One-liner

When elements combine chemically with each other, they form compounds.

One-liner

Among the given alcohols, n-Propyl alcohol has the highest boiling point because boiling point increases with molecular mass in a homologous series and straight-chain alcohols have stronger intermolecular forces than branched isomers.

One-liner

The coordination number of Na⁺ in NaCl is 6, as each sodium ion is surrounded by six chloride ions in an octahedral arrangement.

One-liner

Water is not a mixture; it is a pure compound with the fixed chemical formula H₂O.

One-liner

Salt dissolution in water represents a solid liquid solution, where salt (solid solute) dissolves in water (liquid solvent).