Which indicator could be used to titrate aqueous NH3 with HCl solution?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Which of the following terms is INCORRECTLY
defined?
titration error: the difference between the end
point and the equivalent point
blank titration: titration performed without analyte
to calculate titration error
standardization: titration of a known amount of
analyte to determine the concentration of the
titrant
direct titration: titrant is added to analyte until
reaction is complete
equivalent point: volume of titrant added in excess
of the end point to change a physical property of
the analyte solution
Transcribed Image Text:Which of the following terms is INCORRECTLY defined? titration error: the difference between the end point and the equivalent point blank titration: titration performed without analyte to calculate titration error standardization: titration of a known amount of analyte to determine the concentration of the titrant direct titration: titrant is added to analyte until reaction is complete equivalent point: volume of titrant added in excess of the end point to change a physical property of the analyte solution
Which indicator could be used to titrate aqueous
NH3 with HCl solution?
Acid
Color-
Indicator Range
Change pH
Color
(a)
pink
1.2 2.8
(b)
blue
3.4 4.6
(c)
yellow
6.5 - 7.8
(d)
colorless 8.3-9.9
none of
(e)
these
A
D
E
Transcribed Image Text:Which indicator could be used to titrate aqueous NH3 with HCl solution? Acid Color- Indicator Range Change pH Color (a) pink 1.2 2.8 (b) blue 3.4 4.6 (c) yellow 6.5 - 7.8 (d) colorless 8.3-9.9 none of (e) these A D E
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