A. vegetable oil
B. coaltar
C. wood
D. none of these
Related Mcqs:
- Heating phenol with Zn will yield_________________?
A. Benzene
B. Benzoic acid
C. Phenoxide
D. Cyclohexane - Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
A. oxidation
B. elimination
C. condensation polymerization
D. additional polymertization - The hydrogenation of phenol in the presence of Ni and heat gives_________________?
A. cyclohexane
B. n – hexane
C. 1 – hexanol
D. cyclohexanol - When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid
B. o-nitrophenol
C. 1 3 5 -trinitro benzene
D. p-nitrophenol - When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
A. phenol is unsaturated
B. 2-bromophenol is insoluble in water
C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
D. acid-base reaction - Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
A. Nylon 66
B. urotropine
C. Aniline formaldehyde plastic
D. Bakelite - In solvent extraction ether is used to separate products of organic synthesis from________________?
A. water
B. iodine
C. hydrochloric acid
D. gases - The non-ideal behaviour results chiefly from________________?
A. Intermolecular attraction and infinite volume
B. Elastic collisions and finite volume
C. Intermolecular attractions and finite volume
D. Intermolecular attraction only - The rectified spirit contains________________?
A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol - An alcohol which can be prepared by fermentation is_________________?
A. CH3OH
B. C3H7OH
C. CH3 – CH2 – OH
D. C6H5OH
