Math

QuestionWhich of the following are general properties of bases in aqueous solution? conduct electricity and turn litmus blue turn litmus red and accept a proton feel slippery and react with Au to produce H2( g)\mathrm{H}_{2(\mathrm{~g})} feel slippery and increase [H3O+]\left[\mathrm{H}_{3} \mathrm{O}^{+}\right]

Studdy Solution

STEP 1

What is this asking? Which of the options describes how bases behave in water? Watch out! Don't mix up the properties of acids and bases!

STEP 2

1. Analyze each option

STEP 3

Bases **do** conduct electricity in aqueous solutions because they **dissociate** into ions.
They also **turn litmus paper blue**.
This option looks promising!

STEP 4

Turning litmus paper **red** is a property of **acids**, not bases.
While bases *do* accept protons, the litmus paper part is wrong, so this option is incorrect.

STEP 5

Bases *do* feel slippery.
However, reacting with gold (AuAu) to produce hydrogen gas (H2(g)H_2(g)) is a property of **acids**, not bases.
So, this option is also incorrect.

STEP 6

Bases *do* feel slippery.
However, they **decrease** the concentration of hydronium ions ([H3O+][H_3O^+]), not increase it.
Increasing hydronium ion concentration is a property of **acids**.
Thus, this option is incorrect.

STEP 7

The correct answer is that bases conduct electricity and turn litmus blue.

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