Examlex
Which of the following is a Lewis base?
Orpiment
A natural mineral composed of arsenic sulfide (As2S3), historically used as a pigment and with various industrial and medicinal applications.
Soluble Sulfide
A compound containing the sulfide ion that is soluble in water, often producing hydrogen sulfide gas upon contact with acid.
Arsenic
A toxic metalloid element with the symbol As and atomic number 33, known for its various allotropes and compounds.
Calcium Oxalate
A chemical compound that forms needle-shaped crystals and is a common constituent of kidney stones in the human body.
Q9: Write a nuclear equation for the alpha
Q17: To make a 2.00 m solution,one could
Q41: Which one of the following salts,when dissolved
Q47: Identify the element that is not used
Q55: What are the units of k in
Q73: A 1.50 L buffer solution is 0.250
Q87: Which of the following represents the integrated
Q94: Explain dynamic equilibrium.Use the generic reaction A(g)⇌
Q112: Choose the solvent below that would show
Q114: Calculate the Ksp of Fe<sub>2</sub>S<sub>3</sub> in pure