Chemistry (School & UG)

Q. What is the product of the reaction between a strong acid and a strong base?
  • A. Salt
  • B. Water
  • C. Hydrogen gas
  • D. Both Salt and Water
Q. What is the product of the reaction between an acid and a base?
  • A. Salt and water
  • B. Hydrogen gas
  • C. Carbon dioxide
  • D. Oxygen gas
Q. What is the product of the reaction between an acid and a carbonate?
  • A. Salt
  • B. Water
  • C. Carbon dioxide
  • D. All of the above
Q. What is the product of the reaction between an alcohol and a carboxylic acid in the presence of an acid catalyst?
  • A. Ester
  • B. Ether
  • C. Aldehyde
  • D. Ketone
Q. What is the product of the reaction between an amine and an alkyl halide?
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Nitrile
  • D. Alcohol
Q. What is the product of the reaction between benzene and sulfur trioxide in the presence of sulfuric acid?
  • A. Benzene sulfonic acid
  • B. Benzene thiol
  • C. Benzyl sulfonate
  • D. Benzene sulfide
Q. What is the product of the reaction between benzyl chloride and sodium hydroxide in water?
  • A. Benzyl alcohol
  • B. Benzyl ether
  • C. Benzyl amine
  • D. Benzyl bromide
Q. What is the product of the reaction between ethene and bromine?
  • A. Bromoethane
  • B. 1,2-Dibromoethane
  • C. Ethane
  • D. Ethyl bromide
Q. What is the product of the reaction between ethene and HBr?
  • A. Bromoethane
  • B. Ethyl bromide
  • C. 1-bromopropane
  • D. 2-bromopropane
Q. What is the product of the reaction between ethene and water in the presence of an acid catalyst?
  • A. Ethanol
  • B. Ethane
  • C. Ethylene glycol
  • D. Acetic acid
Q. What is the product of the reaction between propene and HBr?
  • A. 1-bromopropane
  • B. 2-bromopropane
  • C. Propyl bromide
  • D. Bromopropane
Q. What is the product of the reaction of 1-chloropropane with potassium thiocyanate?
  • A. propyl thiocyanate
  • B. propyl isothiocyanate
  • C. 1-thiocyanatopropane
  • D. no reaction
Q. What is the product of the reaction of 1-pentyne with H2 in the presence of Lindlar's catalyst?
  • A. Pentane
  • B. 1-pentene
  • C. 2-pentene
  • D. 1-butyne
Q. What is the product of the reaction of 2-pentyne with water in the presence of sulfuric acid?
  • A. 2-Pentanol
  • B. 3-Pentanol
  • C. Pentanal
  • D. Pentanoic acid
Q. What is the product of the reaction of an amine with nitrous acid?
  • A. Diazonium salt
  • B. Amide
  • C. Alcohol
  • D. Aldehyde
Q. What is the product of the reaction of benzene with bromine in the presence of a Lewis acid catalyst?
  • A. Bromobenzene
  • B. Benzyl bromide
  • C. Bromobenzyl
  • D. Benzene dibromide
Q. What is the product of the reaction of benzene with bromine in the presence of FeBr3?
  • A. Bromobenzene
  • B. Benzyl bromide
  • C. Bromopropane
  • D. No reaction
Q. What is the product of the reaction of benzene with sulfur trioxide (SO3) in the presence of sulfuric acid?
  • A. Benzene sulfonic acid
  • B. Benzene thiol
  • C. Benzene sulfide
  • D. Benzene sulfoxide
Q. What is the product of the reaction of ethylene with bromine?
  • A. Bromomethane
  • B. 1,2-dibromoethane
  • C. Bromoethane
  • D. Ethane
Q. What is the product of the reaction of phenol with acetic anhydride?
  • A. Phenyl acetate
  • B. Acetophenone
  • C. Benzyl acetate
  • D. Phenyl acetic acid
Q. What is the product of the reaction of phenol with excess bromine?
  • A. Bromobenzene
  • B. 2,4,6-Tribromophenol
  • C. Bromophenol
  • D. Benzene
Q. What is the product of the sulfonation of benzene using sulfur trioxide (SO3)?
  • A. Benzene sulfonic acid
  • B. Benzene thiol
  • C. Benzene sulfonate
  • D. Benzene disulfonic acid
Q. What is the purpose of a back titration?
  • A. To determine the concentration of a reactant indirectly
  • B. To measure the temperature of a solution
  • C. To identify the solubility of a compound
  • D. To calculate the pH of a solution
Q. What is the purpose of a salt bridge in a galvanic cell?
  • A. To connect the electrodes
  • B. To maintain charge balance
  • C. To increase voltage
  • D. To decrease resistance
Q. What is the purpose of a salt bridge in an electrochemical cell?
  • A. To connect electrodes
  • B. To maintain charge balance
  • C. To increase voltage
  • D. To decrease resistance
Q. What is the purpose of a standard solution in titration?
  • A. To provide a known concentration for comparison
  • B. To dilute the analyte solution
  • C. To act as a solvent
  • D. To change the color of the solution
Q. What is the purpose of a titration in analytical chemistry?
  • A. To separate components of a mixture
  • B. To determine the concentration of a solution
  • C. To measure the absorbance of a solution
  • D. To identify the molecular weight of a compound
Q. What is the purpose of a titration in qualitative analysis?
  • A. To determine the molecular weight of a compound
  • B. To identify the endpoint of a reaction
  • C. To measure the boiling point of a solution
  • D. To separate components of a mixture
Q. What is the purpose of using a blank in UV-Vis spectroscopy?
  • A. To calibrate the instrument
  • B. To measure the sample concentration
  • C. To account for solvent absorbance
  • D. To enhance signal detection
Q. What is the purpose of using a blank sample in UV-Vis spectroscopy?
  • A. To calibrate the instrument
  • B. To increase the sensitivity of the measurement
  • C. To provide a reference for baseline correction
  • D. To enhance the sample's absorbance
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