Chemistry Past Questions and Answers

A reaction is endothermic if the

In which of the following compounds does hydrogen form ionic compounds?

An organic compound has the empirical formula \(CH_{2}\). If its molar mass is 42\(gmol^{-1}\), what is its molecular formula? (C = 12.0, H = 1.0)

Consider the following reaction equation: \(Br_{2} + 2KI \to 2KBr + I_{2}\). Bromine is acting as

Ethene is produced from ethanol by