Pharmaceutical Analysis PYQs – Set 71

By Atul Sahu • Pharmaceutical Analysis, Subject Wise PYQs

Pharmaceutical Analysis PYQs – Set 71

Subject : Pharmaceutical Analysis

1401. The infra-red absorption peaks of Nujol is due to vibrations involving

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. S - hstr and S - hdef B. S - hstr and O - hdef C. C - hstr and C - hdef D. N - hstr and N - hdef

1402. Predict λmax for π-π* absorption band in the UV spectrum of the following compound: O

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. 237 nm B. 215 nm C. 241 nm D. 240 nm

1403. Choose the correct sequence of process during Atomization in atomic absorption spectroscopy

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Desolvation → Nebulization → Dissociation → Volatilization → Ionization B. Nebulization → Desolvation → Volatilization → Dissociation → Ionization C. Desolvation → Nebulization → Volatilization → Dissociation → Ionization D. Nebulization → Volatilization → Desolvation → Dissociation → Ionization

1404. Which among the following carrier gases has the highest thermal conductivity ?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Nitrogen B. Oxygen C. Helium D. Compressed Air

1405. Method of studying drug distribution patterns is:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Mass spectrophotometry B. Nuclear magnetic resonance C. Fluorimetry D. UVvisible spectrophotometry

1406. The globar source in an infrared spectrophotometer is

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Silicon carbide rod B. Rhodium wire heated in ceramic C. Tungsten filament D. Nichrome wire

1407. The solvent used in NMR spectroscopy with the highest level of deuteration is

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Deuterioacetone B. Deuterium oxide C. Deuteriomethanol D. Deuteriochloroform

1408. What is the approximate chemical shift range for protons attached to aldehydic groups?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. 4–8 Î´ B. 9.5–10.0 Î´ C. 6–7.9 Î´ D. 1.5–3.5 Î´

1409. Which is not typically a calibration parameter for a UV-visible spectrophotometer?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. A. Control of wavelength B. Control of absorbance D : Control of transmitted radiation B. A, B, C and E only C. A, B and C only D. A and B only

1410. What resolution is needed to separate C19H7N+ and C19H5O+ in MS?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Cannot be separated B. 2.417 x 10^-2 C. 3.402 x 10^4 D. 1.042 x 10^4

1411. The wavelength of maximum absorption is called:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. beta max B. alpha max C. gamma max D. Amax

1412. Based on UV data, ephedrine HCl concentration is approx.:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. 1.010 mg/ml B. 6.25 mg/ml C. 12.5 mg/ml D. 24.75 mg/ml

1413. The following are the processes occurring during flame atomization in atomic absorption spectrometry A. Volatilization B. Ionization C. Nebulization D : Desolvation E. Dissociation Arrange the processes in sequential order and choose the correct answer

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. C, B, A, D, E B. C, D, E, B, A C. A, C, D, B, E D. C, D, A, E, B

1414. Platinum electrode surrounded by an outer tube, in which hydrogen passes entering through a side inlet and escaping at the bottom through the test solution, is called:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Silver electrode B. Calomel electrode C. Standard hydrogen electrode D. Indicator electrode

1415. Identify the vibrational modes shown by sulfur dioxide molecule in IR spectroscopy:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Symmetric stretching and asymmetric stretching B. Symmetric stretching and scissoring C. Asymmetric stretching and scissoring D. Symmetric stretching, asymmetric stretching, and scissoring

1416. Given below are two statements, one is labeled as Assertion and the other as Reason. Assertion: The disadvantage of atomic absorption spectroscopy is the need for each element to be analyzeD : Reason: As atomic absorption spectrophotometer uses different hollow‑cathode lamps for each element, it is very specific for an individual element under test.

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion C. Assertion is true but Reason is false D. Assertion is false but Reason is true

1417. In the context of voltammetry, which of the following statements is false?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Technique can be used to analyze organic compounds containing carbonyl groups B. Organic solvents cannot be used as aqueous‑organic mixtures in this technique C. Immunosensors are available in voltammetry D. A triangular waveform is used for excitation of solution in cyclic voltammetry

1418. Identify what is not a continuum source of radiation for use in absorption and fluorescence spectrophotometers:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Argon arc lamp B. Hollow‑cathode lamp C. Deuterium lamp D. Xenon arc lamp

1419. Which of the following molecular properties can be determined by thermogravimetric analysis?

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. Solubility B. Hygroscopicity C. Color stability D. Hydrolysis

1420. The unit for specific absorbance A (1%, 1 cm) is:

Pharmaceutical Analysis • Spectroscopy • GPAT 2019

A. µg/mL B. mg/L C. liter·mol⁻¹·cm⁻¹ D. dl·g⁻¹·cm⁻¹

Disclaimer for MCQ Quiz
The questions in this MCQ quiz are intended solely for educational purposes. While we strive to ensure accuracy, the information may not always be up-to-date or complete. The creators are not liable for any errors or consequences. Verify any information before relying on it for critical decisions.

इस MCQ क्विज़ के प्रश्न केवल शैक्षिक उद्देश्यों के लिए हैं। हम सामग्री की सटीकता सुनिश्चित करने का प्रयास करते हैं, फिर भी जानकारी हमेशा अद्यतित या पूर्ण नहीं हो सकती। निर्माता किसी भी परिणाम के लिए जिम्मेदार नहीं हैं। कृपया किसी भी महत्वपूर्ण निर्णय से पहले स्वतंत्र रूप से जांचें।
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Pharmaceutical Analysis PYQs – Set 71

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