Chemistry

Q. What is the functional group present in phenols? (2021)
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the functional group present in phenols? (2021) 2021
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the general formula for secondary amines? (2021) 2021
  • A. RNH2
  • B. R2NH
  • C. R3N
  • D. RNH
Q. What is the geometry of a molecule with two bonding pairs and no lone pairs on the central atom? (2023)
  • A. Linear
  • B. Trigonal planar
  • C. Tetrahedral
  • D. Bent
Q. What is the geometry of the complex ion [Ag(NH3)2]+? (2019) 2019
  • A. Tetrahedral
  • B. Square planar
  • C. Octahedral
  • D. Linear
Q. What is the group number of Alkali metals in the periodic table? (2023)
  • A. 1
  • B. 2
  • C. 3
  • D. 0
Q. What is the group number of Halogens in the periodic table? (2021)
  • A. 16
  • B. 17
  • C. 18
  • D. 15
Q. What is the hybridization of the central atom in [Ni(CO)4]? (2022)
  • A. sp
  • B. sp2
  • C. sp3
  • D. d2sp3
Q. What is the hybridization of the central metal ion in [Cr(NH3)6]3+? (2020) 2020
  • A. sp
  • B. sp2
  • C. d2sp3
  • D. dsp2
Q. What is the IUPAC name of CH3CH2Cl?
  • A. Chloroethane
  • B. Ethyl chloride
  • C. Ethane chloride
  • D. Chloromethane
Q. What is the IUPAC name of CH3CH2OH? (2021) 2021
  • A. Ethanol
  • B. Methanol
  • C. Propanol
  • D. Butanol
Q. What is the IUPAC name of CH3CHO? (2023) 2023
  • A. Acetaldehyde
  • B. Ethanal
  • C. Ethyl aldehyde
  • D. Methyl ketone
Q. What is the IUPAC name of the compound CH3CH2NH2? (2021)
  • A. Ethylamine
  • B. Dimethylamine
  • C. Propylamine
  • D. Methylamine
Q. What is the Ksp expression for the salt AgCl? (2023)
  • A. [Ag+][Cl-]
  • B. [AgCl]
  • C. [Ag+][Cl-]^2
  • D. [AgCl]^2
Q. What is the Ksp of AgCl if the solubility of AgCl in water is 1.33 x 10^-5 M? (2023)
  • A. 1.78 x 10^-10
  • B. 1.33 x 10^-5
  • C. 1.33 x 10^-10
  • D. 1.78 x 10^-5
Q. What is the main characteristic of elastomers?
  • A. Brittle
  • B. Elastic
  • C. Rigid
  • D. Transparent
Q. What is the main component of natural rubber?
  • A. Polyisoprene
  • B. Polystyrene
  • C. Polyethylene
  • D. Polyvinyl acetate
Q. What is the main function of lipids in the body?
  • A. Energy storage
  • B. Genetic information
  • C. Structural support
  • D. Transport
Q. What is the main product of the combustion of hydrocarbons? (2023) 2023
  • A. Oxygen
  • B. Water
  • C. Carbon Dioxide
  • D. Nitrogen
Q. What is the main product of the complete combustion of methane? (2023)
  • A. Carbon dioxide and water
  • B. Carbon monoxide and water
  • C. Carbon and hydrogen
  • D. Oxygen and water
Q. What is the main product of the oxidation of ethanol?
  • A. Acetic acid
  • B. Formic acid
  • C. Butanoic acid
  • D. Propanoic acid
Q. What is the main product when an amine reacts with an acyl chloride?
  • A. Amide
  • B. Ester
  • C. Alcohol
  • D. Aldehyde
Q. What is the main product when an amine reacts with an alkyl halide?
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Alcohol
  • D. Ester
Q. What is the main product when ethene reacts with bromine?
  • A. Bromethane
  • B. 1,2-Dibromoethane
  • C. Ethane
  • D. Bromoethane
Q. What is the main product when ethene reacts with hydrogen in the presence of a catalyst?
  • A. Ethane
  • B. Ethanol
  • C. Ethyl chloride
  • D. Acetylene
Q. What is the main product when phenol is treated with bromine?
  • A. Bromobenzene
  • B. Bromophenol
  • C. Benzene
  • D. Bromobutane
Q. What is the main product when phenol reacts with bromine? (2019)
  • A. Bromobenzene
  • B. Bromophenol
  • C. Benzene
  • D. No reaction
Q. What is the main product when phenol reacts with sodium hydroxide?
  • A. Sodium phenoxide
  • B. Sodium benzoate
  • C. Benzene
  • D. Phenyl acetate
Q. What is the main product when propan-2-one is treated with iodine in the presence of a base?
  • A. Iodoform
  • B. Acetone
  • C. Bromoform
  • D. Chloroform
Q. What is the main reaction of phenols with sodium hydroxide? (2020)
  • A. Formation of sodium phenoxide
  • B. Formation of ether
  • C. Formation of alcohol
  • D. Formation of ketone
Showing 181 to 210 of 559 (19 Pages)
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