Chemistry (School & UG)

Q. Which transition metal is known for its ability to form complex ions with a variety of ligands and is used in biological systems?
  • A. Zinc
  • B. Iron
  • C. Copper
  • D. Manganese
Q. Which trend is observed in ionization energy across a period in the periodic table?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It fluctuates
Q. Which type of bond is formed between sodium and chlorine in sodium chloride?
  • A. Covalent bond
  • B. Ionic bond
  • C. Metallic bond
  • D. Hydrogen bond
Q. Which type of bond is formed by the overlap of p orbitals?
  • A. Sigma bond
  • B. Pi bond
  • C. Delta bond
  • D. Phi bond
Q. Which type of bond is formed by the overlap of two p orbitals?
  • A. Sigma bond
  • B. Pi bond
  • C. Delta bond
  • D. Phi bond
Q. Which type of bond is formed by the sharing of electron pairs between atoms?
  • A. Ionic bond
  • B. Covalent bond
  • C. Metallic bond
  • D. Hydrogen bond
Q. Which type of bond is most commonly analyzed using IR spectroscopy?
  • A. C-H bonds
  • B. C-C bonds
  • C. N-H bonds
  • D. O-H bonds
Q. Which type of bond is primarily responsible for the formation of ionic compounds?
  • A. Covalent bond
  • B. Ionic bond
  • C. Metallic bond
  • D. Hydrogen bond
Q. Which type of electrophoresis is commonly used for separating DNA fragments?
  • A. Capillary electrophoresis
  • B. Gel electrophoresis
  • C. Paper electrophoresis
  • D. Isoelectric focusing
Q. Which type of intermolecular force is the strongest?
  • A. London Dispersion Forces
  • B. Dipole-Dipole Interactions
  • C. Hydrogen Bonds
  • D. Ionic Bonds
Q. Which type of sample is most suitable for analysis by IR spectroscopy?
  • A. Gaseous samples
  • B. Solid samples only
  • C. Liquid samples only
  • D. All of the above
Q. Which type of sample preparation is commonly used before performing IR spectroscopy?
  • A. Dissolving in water
  • B. KBr pellet method
  • C. Filtration
  • D. Evaporation
Q. Which type of spectroscopy is best suited for identifying functional groups in organic compounds?
  • A. NMR
  • B. UV-Vis
  • C. IR
  • D. Mass Spectrometry
Q. Which type of titration involves a redox reaction?
  • A. Acid-base titration
  • B. Complexometric titration
  • C. Precipitation titration
  • D. Redox titration
Q. Which type of titration would you use to determine the concentration of a weak acid?
  • A. Strong acid-strong base titration
  • B. Weak acid-strong base titration
  • C. Redox titration
  • D. Complexometric titration
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