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Analytical Chemistry MCQs

Master the principles and techniques of chemical analysis with our topic-wise Analytical Chemistry MCQs. These multiple-choice questions cover key topics such as qualitative and quantitative analysis, titration methods, spectroscopy (UV, IR, AAS), chromatography (HPLC, GC, TLC), electrochemistry, pH measurement, gravimetric and volumetric analysis, and instrumental techniques. These MCQs are ideal for students of BSc/MSc Chemistry and for candidates preparing for lecturer posts, lab analyst jobs, and competitive exams like PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, and AJKPSC. A valuable resource for both academic testing and scientific job assessments.

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1 Analytical Chemistry MCQs

What is the pH of a 0.001 M solution of Nitric Acid (HNO₃)?

  • 2
  • 3
  • 4
  • 5
0 Comments
Correct Answer: B. 3

Explanation:

Nitric acid (HNO₃) is a strong acid, which means it completely ionizes in ... Read More Details

2 Analytical Chemistry MCQs

In volumetric analysis, the methyl orange indicator is used when __________?

  • Acid is strong
  • Acid is weak
  • Base is strong
  • Acid is strong and base is weak
0 Comments
Correct Answer: A. Acid is strong

Explanation:

In volumetric analysis, indicators are substances that change color at or near the ... Read More Details

3 Analytical Chemistry MCQs

If a compound contains 24 g of carbon, 2 g of hydrogen, and 64 g of oxygen, what will be its empirical formula?

  • C₂H₂O₄
  • CH₂
  • CH₂O
  • CHO₂
0 Comments
Correct Answer: D. CHO₂

Explanation:

The empirical formula of a compound represents the simplest whole-number ratio of atoms ... Read More Details

4 Analytical Chemistry MCQs

A bivalent metal has an equivalent weight of 12. The molecular weight of its oxide will be:

  • 24
  • 32
  • 36
  • 40
0 Comments
Correct Answer: D. 40

Explanation:

This question is a classical application of the concept of equivalent weight and ... Read More Details

5 Analytical Chemistry MCQs

The weight of a metal with an equivalent weight of 12 that will give 0.475 g of its chloride is:

  • 0.12 g
  • 0.16 g
  • 0.18 g
  • 0.24 g
0 Comments
Correct Answer: C. 0.18 g

Explanation:

This problem is based on the law of chemical equivalence, which is widely ... Read More Details

6 Analytical Chemistry MCQs

The pH of milk is approximately ?

  • 9
  • 6.5 – 7
  • 8
  • 12
0 Comments
Correct Answer: B. 6.5 – 7

Explanation:

Milk is a natural colloidal solution composed of water, proteins, lactose (milk sugar), ... Read More Details

7 Analytical Chemistry MCQs

Calculate the percentage of nitrogen (%N) in potassium nitrate (KNO₃):

  • 14.34%
  • 18.56%
  • 13.86%
  • None of these
0 Comments
Correct Answer: C. 13.86%

Explanation:

Potassium nitrate (KNO₃) is a common inorganic salt widely used in fertilizers, food ... Read More Details

8 Analytical Chemistry MCQs

Who introduced the term “Concentration Window” to draw arbitrary lines of demarcation?

  • Einstein
  • Dr. A. Walash
  • Schwartz
  • S. E. Manhan
0 Comments
Correct Answer: C. Schwartz

Explanation:

The term “Concentration Window” was introduced by Schwartz in the field of analytical ... Read More Details

9 Analytical Chemistry MCQs

The best indicator for titrating HCl with NH₄OH is?

  • Methyl orange
  • Litmus
  • Phenol red
  • Phenolphthalein
0 Comments
Correct Answer: A. Methyl orange

Explanation:

In acid–base titration, the choice of indicator depends on the strength of the ... Read More Details

10 Analytical Chemistry MCQs

Mass spectrometry mainly provides information about ?

  • Mass
  • e/m ratio
  • Isotopes
  • None of these
0 Comments
Correct Answer: B. e/m ratio

Explanation:

Mass spectrometry (MS) is a powerful analytical technique that works on the principle ... Read More Details

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