Beillstein test is used for________?
Beillstein test is used for________?
A. Cl
B. N2
C. CO2
D. CO
Beillstein test is used for________? Read More »
Chemistry McqsChemistry Mcqs
The stationary and mobile phases in paper chromatography are____________?
The stationary and mobile phases in paper chromatography are____________?
A. Liquid/liquid
B. Solid/liquid
C. Liquid/solid
D. Liquid/gas
The stationary and mobile phases in paper chromatography are____________? Read More »
Chemistry McqsThe bond length of C=C is___________?
The bond length of C=C is___________?
A. 1.20A°
B. 1.34A°
C. 1.54A°
D. 1.68A°
The bond length of C=C is___________? Read More »
Chemistry McqsThe bond angle between hybrid orbitals in methane CH3 is___________?
The bond angle between hybrid orbitals in methane CH3 is___________?
A. 115.5°
B. 109.5°
C. 105. 7°
D. 180°
The bond angle between hybrid orbitals in methane CH3 is___________? Read More »
Chemistry McqsThe criteria for aromaticity is presence of_________?
The criteria for aromaticity is presence of_________?
A. Unsaturations
B. Cyclic structure
C. Presence of 4nπ electrons
D. Presence of 4n+2π electrons
The criteria for aromaticity is presence of_________? Read More »
Chemistry McqsChlorine Cl when attached to benzene has________?
Chlorine Cl when attached to benzene has________?
A. +I and +R effect
B. -1 and +R effect
C. +1 and -R effect
D. -I and -R effect
Chlorine Cl when attached to benzene has________? Read More »
Chemistry McqsWhich one of the following is most acidic?
Which one of the following is most acidic?
A. Phenol
B. P-nitrophenol
C. O-nitrophenol
D. M-nitrophenol
Which one of the following is most acidic? Read More »
Chemistry McqsWhich of the following effects best explains that o-nitrophenol is insoluble in water?
Which of the following effects best explains that o-nitrophenol is insoluble in water?
A. Inductive effect
B. Resonance effect
C. Intermolecular H-bonding
D. Isomeric effect
Which of the following effects best explains that o-nitrophenol is insoluble in water? Read More »
Chemistry McqsThe carbon-carbon bond strength is maximum in__________?
The carbon-carbon bond strength is maximum in__________?
A. CH3CH3
B. CH2=CH2
C. Benzene
D. Cyclohexane
The carbon-carbon bond strength is maximum in__________? Read More »
Chemistry McqsWhich one of the following is caustic potash?
Which one of the following is caustic potash?
A. NaOH
B. KOH
C. NaCl
D. NaBH4
Which one of the following is caustic potash? Read More »
Chemistry Mcqs