Chemistry

Q. What is the equilibrium constant (Kc) for the reaction: A + B ⇌ C + D? (2022)
  • A. Kc = [C][D]/[A][B]
  • B. Kc = [A][B]/[C][D]
  • C. Kc = [C][D][A][B]
  • D. Kc = [A][B][C][D]
Q. What is the equilibrium constant (Kc) for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)? (2022) 2022
  • A. 1.0 × 10^-5
  • B. 1.0 × 10^-2
  • C. 1.0 × 10^2
  • D. 1.0 × 10^5
Q. What is the expected major product when 2-bromobutane undergoes elimination reaction?
  • A. But-1-ene
  • B. But-2-ene
  • C. But-3-ene
  • D. Butane
Q. What is the expected product of the reaction of 1-chlorobutane with zinc in dry ether?
  • A. Butane
  • B. Butyne
  • C. Butene
  • D. No reaction
Q. What is the expected product when 1-chlorobutane reacts with aqueous NaOH?
  • A. Butanol
  • B. Butene
  • C. No reaction
  • D. Butyric acid
Q. What is the Faraday's constant value?
  • A. 96485 C/mol
  • B. 96500 C/mol
  • C. 96500 A·s/mol
  • D. 96480 C/mol
Q. What is the Faraday's constant?
  • A. 96485 C/mol
  • B. 96500 C/mol
  • C. 96500 J/mol
  • D. 96485 J/mol
Q. What is the final concentration when 100 mL of 1 M NaCl is diluted to 500 mL? (2021)
  • A. 0.2 M
  • B. 0.5 M
  • C. 1 M
  • D. 2 M
Q. What is the final volume when 100 mL of a 3 M solution is diluted to a concentration of 1 M? (2022) 2022
  • A. 300 mL
  • B. 200 mL
  • C. 100 mL
  • D. 150 mL
Q. What is the formula for calculating the number of moles? (2023) 2023
  • A. Mass/Volume
  • B. Mass/Molar Mass
  • C. Volume/Mass
  • D. Molar Mass/Volume
Q. What is the formula for the complex formed between iron(III) and thiocyanate? (2021)
  • A. [Fe(SCN)3]
  • B. [Fe(SCN)2]
  • C. [Fe(SCN)6]3+
  • D. [Fe(SCN)4]2-
Q. What is the freezing point depression of a solution containing 1 mol of NaCl in 1 kg of water? (Kf for water = 1.86 °C kg/mol) (2023)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 2.00 °C
  • D. 0.93 °C
Q. What is the functional group of alcohols? (2020)
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the functional group of aldehydes?
  • A. -OH
  • B. -CHO
  • C. -C=O
  • D. -COOH
Q. What is the functional group of phenols? (2019) 2019
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the functional group present in alcohols? (2023) 2023
  • A. Aldehyde
  • B. Ketone
  • C. Hydroxyl
  • D. Carboxylic acid
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
Showing 151 to 180 of 533 (18 Pages)
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