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Red color in acidic solutions and blue color in basic solutions.
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∙ 9y ago
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What color does litmus turn in OH- base solutions?
The paper turn to a blue color.
What color would the base solutions of OH- ion turn litmus?
The color will be blue.
What color will blue litmus paper turn in presence of a OH ion?
It will remain blue.
What liquids can you use to change the color of litmus paper?
Any acid or base should do the trick.Any compound with excess hydrogen ions (H+) or excess hydroxide ions (OH-). Also, any compound that absorbs hydrogen ions (H+) or hydroxide ions (OH-).
Is it it is an indicator to measure H ions or OH- ions?
Litmus paper, other types of pH paper, phenolphtalein, etc.
Why is dry ammonia gas neutral to litmus?
Litmus paper detects alkaline conditions (presence of OH- ion). When dry, ammonia has no hydroxide ions. It needs to be mixed with water, where, in equilibrium, NH4+ and OH- ions are formed. If you wet the litmus paper, the dry NH3 gas will register as basic.
Why is litmus paper useful?
Water provides H+/ OH- ions for the dry gas(to be tested with litmus) to show its acidic/alkaline nature.
What is the difference between an acid and a base in water?
An acid in water will react with the water to form H+, which are acidic ions. Acids will also turn litmus paper red, and have a pH less than 7. A base in water will react with the water to form OH-, which are basic ions. Bases will also turn litmus paper blue, and have a pH greater than 7.
What particle in Na-OH causes red litmus to turn blue?
The OH- particle, which is the polyatomic ion hydroxide.
The substance containing many OH ions is a?
A substance conatianing OH ions is an alkali, however it can also be knows as a base (a substance that neutralises an acid).
Why does a pink color appear and then disappear quickly in the titration experiment?
Let's say that your titrant is NaOH. What happens is as there are OH- ions present the color changes into a pinkish hue, but the color disappears quickly because the H+ ions present in the sol'n take the OH- ions; so there is no color until the end point really =)
What are characteristics of bases?
Characteristics of bases are: bitter in taste, soapy feel on fingers, mostly react with acids and precipitate salts, turn red litmus paper blue, contain metal oxides or hydroxides.
