What is the IUPAC name of the following compound ?
Which of the following changes will always shift equilibrium to the left ?
Which of the following chemicals would decolourise bromine water the quickest in the presence of UV light?
How many structural isomers can the compound with the molecular formula, C2H3Cl2F have?
20 mL of 0.08 mol L–1 HCl is mixed with 30 mL of a 0.05 mol L–1 NaOH. What is the pH of the resultant solution ?
What are the volumes in litres of 1 mole of helium gas and 1 mole of nitrogen gas respectively at 25 oC and 100 kPa ?
A sample was tested for its approximate pH using several indicators. The results are given in the table.
What is the systematic name of the following compound?
Why is radon-226 a radioactive isotope?
In order to determine the relative activity of four metals, each metal was placed in the salt solutions of the other metals and observed for signs of a reaction. The results are displayed in
Given the following ionization/dissociation of hypothetical acids and bases in water:
The half-equations for the vanadium redox cell are given below.
Which of the following is a Bronsted- Lowry acid – base reaction?
Ozone exhibits greater reactivity than the oxygen molecule. Which statement best explains this?
In which of the following alternatives are the compounds listed in order of increasing boiling point ?