Determination thiocyanate in waste water using UV-Vis spectro
Quiz
•
Chemistry
•
University
•
Hard
Siswati Lestari
Used 2+ times
FREE Resource
Enhance your content
5 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What are the aims of experiment this week? (multiple answers)
to determine the concentration of SCN- in unknown sample
To determine the maximum wavelength of SCN- ions
to prepare a series of standard solutions of thiocyanate
To observe the interaction of thiocyanate ions with UV-light
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
At which wavelength do you need to measure the absorbance of SCN- ions using UV-Vis?
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why do you need to measure absorbance at an optimum wavelength? (multiple answers)
To give maximum correctness
to ensure maximum sensitivy
optimum wavelength correlates to the largest response of analyte
To minimize errors of measurement
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which statements are correct? (multiple correct answers)
The absorbance is directly proportional to concentration of sample
Depends on molar extinction coefficient of substance
Wavelength is directly proportional to absorbance
The absorbance is directly proportional to the length of light path (width of cuvette)
5.
OPEN ENDED QUESTION
45 sec • 1 pt
Fill in the following substances for your experiment this week:
a. Analyte: ..............
b. Standard solutions: ..............
Evaluate responses using AI:
OFF
Similar Resources on Wayground
10 questions
hess's law
Quiz
•
11th Grade - University
10 questions
ALE REVISION
Quiz
•
University
10 questions
jd
Quiz
•
KG - Professional Dev...
9 questions
Vaccines
Quiz
•
University
9 questions
DMK40133 chapter 1
Quiz
•
University
10 questions
Lesson 2 - True or False
Quiz
•
University - Professi...
10 questions
Solubility equilibrium
Quiz
•
1st Grade - University
10 questions
SAS 7 Gen Chem quiz
Quiz
•
University
Popular Resources on Wayground
20 questions
Brand Labels
Quiz
•
5th - 12th Grade
11 questions
NEASC Extended Advisory
Lesson
•
9th - 12th Grade
10 questions
Ice Breaker Trivia: Food from Around the World
Quiz
•
3rd - 12th Grade
10 questions
Boomer ⚡ Zoomer - Holiday Movies
Quiz
•
KG - University
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
Adding Integers
Quiz
•
6th Grade
10 questions
Multiplication and Division Unknowns
Quiz
•
3rd Grade
20 questions
Multiplying and Dividing Integers
Quiz
•
7th Grade