Which statement is incorrect?
a. Acids can dissociate in solution to yield free hydrogen ions and anions.
b. All substances that contain hydrogen are considered to be acids.
c. A strong acid has a greater tendency to dissociate than a weak acid.
d. The extent of dissociation for a given acid is a constant, K.
e. Only free hydrogen ions contribute to the acidity of a solution.
B
You might also like to view...
Photopigments undergo chemical changes when light hits them.
Answer the following statement true (T) or false (F)
Allergens differ from antigens because ________
A) allergens are primarily plant derived while antigens are bacterial or viral in nature B) allergens are only active seasonally and are generally harmless to the body C) allergens do not involve the leucocytes, they simply stimulate the inflammatory response D) allergens produce an abnormally large immune response to what is an otherwise harmless particle
Which of the following substances is NOT likely to trigger the immune response?
A) pollen grains B) bacteria C) self-antigens D) fungi E) virus particles
Bob Trotts has an enteropathogenic E. coli infection resulting in severe diarrhea for 2 days. This could produce which of the following:
(1) acidosis (2) alkalosis (3) increased respiration (4) decreased respiration (5) increased ADH secretion (6) increased renin secretion (7) increased urine concentration A. 1, 3, 5, 6, 7 B. 2, 4, 5, 6, 7 C. 1, 3, 6 D. 2, 4, 5, 7 E. 1, 4, 5, 7