J. J. Thomson's plum pudding model was based on all BUT one of these beliefs. That is A)
all atoms are neutral.
B)
an atom has positive and negative charges.
C).
negative charges balance positive charges
D)
positive charges are embedded in a negative sphere.

A

Explanation:

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l

answerambulatory;