Commercial detergents contain mainly _____________?

A. Rcoon
B. Rona
C. Rsna
D. Roso3na

Which one of the following is caustic potash?

A. Naoh
B. Koh
C. Nacl
D. Nabh4

The carbon-carbon bond strength is maximum in__________?

A. Ch3ch3
B. Ch2=ch2
C. Benzene
D. Cyclohexane

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 one of the following is most acidic?

A. Phenol
B. P-nitrophenol
C. O-nitrophenol
D. M-nitrophenol

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

The criteria for aromaticity is presence of_________?

A. Unsaturations
B. Cyclic structure
C. Presence of 4nπ electrons
D. Presence of 4n+2π electrons

The bond angle between hybrid orbitals in methane CH3 is___________?

A. 115.5°
B. 109.5°
C. 105. 7°
D. 180°

The bond length of C=C is___________?

A. 1.20a°
B. 1.34a°
C. 1.54a°
D. 1.68a°

The stationary and mobile phases in paper chromatography are____________?

A. Liquid/liquid
B. Solid/liquid
C. Liquid/solid
D. Liquid/gas