Sail E0 Webinar

General Knowledge > General Science

MASS SPECTROSCOPY MCQs

Total Questions : 21 | Page 2 of 3 pages
Question 11. The number of peaks in 1H NMR for CH3 CH2 CH3 is
  1.    0
  2.    1
  3.    2
  4.    3
 Discuss Question
Answer: Option C. -> 2
Question 12. Which cleavage is observed in Mc Lafferty Rearrangement?
  1.    Alpha
  2.    Beta
  3.    Gamma
  4.    Benzylic
 Discuss Question
Answer: Option B. -> Beta
Question 13. The rearrangement ion formed from bezyl group
  1.    Tropylium
  2.    Tropylium ion
  3.    Both A & B
  4.    none of the above
 Discuss Question
Answer: Option B. -> Tropylium ion
Question 14. Whhich mode is observed in fragmentation of alcohols?
  1.    Heterolytic cleavage
  2.    homolytic mode-II
  3.    Homolytic Mode-I
  4.    Rearrangment
 Discuss Question
Answer: Option C. -> Homolytic Mode-I
Question 15. What do the heights of the peaks represent in the mass spectrum?
  1.    number of isotopes
  2.    relative abundance of each isotope
  3.    average atomic mass
  4.    charge:mass ratio
 Discuss Question
Answer: Option B. -> relative abundance of each isotope
Question 16. Which of the following main component of mass spectroscopy deal with resolving the ions into their characteristics mass components according to their mass-to-charge ratio?
  1.    Ion Source
  2.    Analyzer
  3.    Detector System
  4.    Recorder
 Discuss Question
Answer: Option B. -> Analyzer
Question 17. Mass spectrometer requires
  1.    High temperature
  2.    High cooling
  3.    High vacuum
  4.    High pressure
 Discuss Question
Answer: Option C. -> High vacuum
Question 18. What are the main criteria on which mass spectrometer used for?
  1.    Composition in sample
  2.    Relative mass of atoms
  3.    Concentration of elements in the sample
  4.    Properties of sample
 Discuss Question
Answer: Option B. -> Relative mass of atoms
Question 19. Choose the correct sequence of MS procedure ?p
  1.    p→q→r→s→t
  2.    t→s→r→q→p
  3.    p→t→r→s→q
  4.    q→t→r→s→p
 Discuss Question
Answer: Option B. -> t→s→r→q→p
Question 20. A molecule has a broadband at 3200cm-1 and sharp band at 1711cm-1
  1.    amide
  2.    ester
  3.    alkanol
  4.    carboxylic acid
 Discuss Question
Answer: Option D. -> carboxylic acid

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0