The table gives the concentrations and pH values of the aqueous solutions of two compounds, X and Y. Either compound could be an acid or a base. X Y concentration 2 mol dm⁻³ 2 mol dm⁻³ pH 6 9 Student P concluded that X is a strong acid. Student Q concluded that the extent of dissociation is lower in X(aq) than in Y(aq). Which of the students are correct?

A sample of 17.15 mol HI(g) is in dynamic equilibrium with 2.27 mol H₂(g) and 2.84 mol I₂(g) in a volume of 1 m³ at 7…

Diethylzinc, (C₂H₅)₂Zn, is added to NaOH(aq). Two reactions occur. reaction 1 (C₂H₅)₂Zn + H₂O → ZnO + 2C₂H₆ reaction …

The table shows the partial pressures in an equilibrium mixture formed by the Haber process. 3H2(g) + N2(g) ⇌ 2NH3(g)…

The product of the Contact process is Z. Which reaction or process leads to the formation of a gas that can neutralis…

In this question, alkenes and cyclic alkanes should be considered. How many structural isomers of C₄H₈ are there?

Which compound will decolourise Br₂(aq)?