ACS General Chemistry - Redox & Electrochemistry Questions and Correct Answers/ Latest Update / Already Graded

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ACS General Chemistry - Redox &
Electrochemistry Questions and Correct
Answers/ Latest Update / Already Graded
What is the product in all reactions between strong acids and strong
bases?

Ans: Water


What is the Arrhenius acid-base definition?

Ans: An acid is a substance with H in its formula that
dissociates in water to produce H3O+.
A base is a substance with OH in its formula that dissociates in
water to produce OH-.


How does neutralization occur in Arrhenius acids and bases?

Ans: The H3O+ and OH- combine to form H2O.


What does a large Ka indicate?

Ans: Stronger acid, more dissociation


Give examples of strong acids.


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Ans: Hydrohalic acids: HCl, Hbr, HI


Give examples of weak acids.

Ans: Hydrohalic acid HF, carbolylic acids (XCOOH), acids where
H is not bonded to O or a halogen, oxoacids where number of
oxygens is greater than or equal to the number of ionizable
protons


Give examples of strong bases.

Ans: M2O, MOH, where M = Group 1 metal.
MO, M(OH)2, where M = Group 2 metal. ... Soluble metal
hydroxides.


Give examples of weak bases.

Ans: Many with electron-rich nitrogen. NH3, amines


What is the Bronsted-Lowry acid-base definition?

Ans: An acid is a species that donates a proton.
A base is a species that accepts a proton. Must contain lone pair
of electrons to bind H+.




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