Analytical Chemistry
34 questions in this chapter.
Study loop for Analytical Chemistry
1. Practise the PYQsPrevious-year questions, with answers
Analytical Chemistry & Instrumental – General
ABC26IN0543 · The indicator phenolphthalein changes colour at pH ~ 9. This indicator is NOT suitable for accurate determination of the end point in the… · 2005-2022
ABC26IN0544 · In ammonical buffer, oxine (8-hydroxyquinoline) forms yellow precipitate with · 2005-2022
ABC26IN0545 · In the measurement of hardness of water by complexometric titration, identify P and Q in the following equation. [P]- + [H2Y]2- → [Q]2- +… · 2005-2022
ABC26IN0547 · Indicator used in redox titration is · 2005-2022
Analytical Chemistry – General
ABC26IN0824 · Thermometric titration gives best results when A. | Delta H| is high B. Delta G<0 C. Heat of mixing of titrant with titrant is high D… · JUNE 2011
ABC26IN0018 · The pair of light source and atomizer resulting highest sensitivity to atomic absorption spectrometric measurement is: (1) Hg lamp, nitric… · JUNE 2015
ABC26IN0825 · The pair of light source and atomizer resulting highest sensitivity to atomic absorption spectrometric measurement is: · DEC 2019
ABC26IN0019 · In spectrofluorimetric determination in solution · DEC 2019
ABC26IN0826 · Inspectrofluorimetric determination in solution A. absorbance of analyte solution is kept near to 0.05 B. oxygen is eradicated from… · DEC 2019
ABC26IN0832 · To determine the bond parameters at 25°C, electron diffraction is generally unsuitable for both · DEC 2017
ABC26IN0834 · The peak area of differential thermal analysis curve is proportional to one or more of the following A. mass loss B. mass of the sample C… · DEC 2017
ABC26IN0835 · Identify the correct statement(s) for phosphorimetric measurement from the following: A. It is done after a time delay when fluorescence… · JUNE 2017
ABC26IN0836 · Identify correct statements from the following: A. Area of differential thermal analysis peak is proportional to amount of sample. B. Area… · JUNE 2017
ABC26IN0022 · The primary analytical method (not using a reference) is: 1) inductively coupled plasma emission spectrometry 2) energy dispersive X-ray… · DEC 2016 self-practice
ABC26IN0837 · The primary analytical method (not using a reference) is: · DEC 2016
ABC26IN0838 · Decomposition temperature of CaCO3 in thermogravimetric analysis will be highest in dynamic atmosphere of: · JUNE 2016
ABC26IN0024 · Correct statement for coulometry is 1. it is based on Faraday's law of electrolysis 2. It is a type of voltammetry 3. it is based on Ohm's… · DEC 2015 self-practice
ABC26IN0839 · Correct statement for coulometry is · DEC 2015
ABC26IN0027 · Considering the following parameters with reference to the fluorescence of a solution: 1. Molar absorptivity of fluorescent molecule 2… · JUNE 2015
ABC26IN0843 · Considering the following parameters with reference to the fluorescence of a solution: 1. Molar absorptivity of fluorescent molecule 2… · JUNE 2015
ABC26IN0028 · The gas commonly used in generating plasma in Inductively Coupled Plasma Atomic Emission Spectroscopy (ICPAES) is: · DEC 2014
ABC26IN0844 · The gas commonly used in generating plasma in Inductively Coupled Plasma Atomic Emission Spectroscopy (ICPAES) is: · DEC 2014
ABC26IN0030 · The use of dynamic inert atmosphere in thermogravimetric analysis (TGA): (1) decreases decomposition temperature (2) decrease weight loss… · JUNE 2014
ABC26IN0846 · The use of dynamic inert atmosphere in thermogravimetric analysis (TGA): · JUNE 2014
ABC26IN0847 · The correct statements for hollow cathode lamp (HCL) from the following are: (A) HCL is suitable for atomic absorption spectroscopy (AAS)… · JUNE 2014
ABC26IN0848 · In the atomic absorption spectroscopic estimation of Fe(III) using O2 / H2 flame, the absorbance decreases with the addition of · DEC 2013
ABC26IN0849 · The FALSE statement for a polarographic measurement procedure is: · JUNE 2011
Analytical – General
ABC26IN0288 · In atomic absorption spectroscopy, the atomization process utilizes · 2005-2021
ABC26IN0289 · On heating a sample of 25 mg hydrated compound (molecular weight = 250 g/mol) in thermogravimetric analysis, 16 mg of dehydrated compound… · 2005-2021
ABC26IN0290 · The quantity of the cobalt ore [Co3(AsO4)2 · H2O] required to obtain 1 kg of cobalt (rounded off to two decimal places) is ____ kg. [Atomic… · 2005-2021 self-practice
Chromatography
ABC26IN0831 · Height equivalent to theoretical plate (HETP) in gas liquid chromatography depends Significantly on which of the following? (A) Temperature… · JUNE 2018
Sampling Calibration
ABC26IN0025 · The calibration curve in spectrofluorimetric analysis becomes non-linear when 1. molecular weight of analyte is high 2. intensity of light… · DEC 2015 self-practice
ABC26IN0841 · The calibration curve in spectrofluorimetric analysis becomes non-linear when · DEC 2015
Titrations Gravimetry
ABC26IN0829 · Incorrect statement for amperometric titration is · JUNE 2019