Compounds MCQs with Answers

One-liner

The carbon atoms in ethyne (C₂H₂) are sp-hybridized, with each carbon forming two sigma bonds and two pi bonds in a linear geometry.

One-liner

Compounds having the same molecular formula but different structural arrangements are called isomers.

One-liner

N₂O₅ (dinitrogen pentoxide) contains both covalent and coordinate bonds.

One-liner

Hydrocarbons are organic compounds composed entirely of Carbon and Hydrogen atoms.

One-liner

The group consisting of only compounds is baking soda, water, salt because all three are formed by chemical combination of two or more elements.

One-liner

The general formula for alkanes is CnH2n+2, where n represents the number of carbon atoms.

One-liner

<strong>XeF4</strong> (Xenon tetrafluoride) is a planar molecule with a square planar geometry.

One-liner

The amount of NaOH required to prepare 250 cm³ of 1 M solution is 10 g.

One-liner

NaF has the highest lattice energy because fluoride ion (F⁻) has the smallest ionic radius among the halides, leading to stronger electrostatic attraction with Na⁺.

One-liner

Pyrogallol is a trihydric phenol because it contains three hydroxyl (–OH) groups attached to a benzene ring.