Compounds MCQs with Answers

One-liner

AlCl₃ exhibits coordinate bonding, where the chlorine atom donates a lone pair of electrons to the electron-deficient aluminum atom.

One-liner

In methane, the ratio of carbon atoms to hydrogen atoms is 1:4.

One-liner

One mole of SO2 contains 6.02 × 10²³ molecules of SO2, which includes 6.02 × 10²³ atoms of sulfur and 2 × 6.02 × 10²³ atoms of oxygen.

One-liner

In an NaCl crystal lattice, each Na⁺ ion is surrounded by 6 Cl⁻ ions in an octahedral arrangement.

One-liner

Glycerol is the least volatile among the given options because it has strong intermolecular hydrogen bonding due to its three hydroxyl (–OH) groups, resulting in a high boiling point.

One-liner

A chemical formula shows the number of atoms of each element present in a molecule of the compound.

One-liner

All of these — benzene, toluene, and phenol — undergo Friedel-Crafts alkylation because each contains an aromatic ring capable of electrophilic substitution.

One-liner

The coordination number of caesium in caesium chloride (CsCl) is 8.

One-liner

Ammonia (NH₃) has a trigonal pyramidal structure due to the presence of one lone pair of electrons on the nitrogen atom.

One-liner

<strong>Ethyne</strong> (acetylene) is more reactive due to the presence of a carbon-carbon triple bond.