Phenol was isolated by Runge from________________?
A. vegetable oil B. coaltar C. wood D. none of these
Chemistry MCQs
The hydrogenation of phenol in the presence of Ni and heat gives_________________?
A. cyclohexane B. n – hexane C. 1 – hexanol D. cyclohexanol
Ethanol and methanol can be distinguished by a__________________?
A. Iodoform test B. Lucas test C. Benedicts test D. Tollens test
Which one of the following alcohol has greater boiling point___________________?
A. ethanol B. ethylene glaycol C. glycerol D. methanol
Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?
A. methanol B. methanol C. carbonic acid D. methane
The formula of starch is__________________?
A. C12H22O11 B. C6H10O5 C. (C6H10O5)n D. C6H12O6
The rectified spirit contains________________?
A. 12% alcohol B. 90% alcohol C. 95% alcohol D. 100% alcohol
The oxidation of isopropyl alcohol will yield___________________?
A. propane B. Propanol C. Propanone D. Propanoic acid
The distinction test for primary secondary and tertiary alcohol required to react each of them is_________________?
A. Cone. HCI and anhydrous SOCl2 B. Cone. HCI and anhydrous CaCl2 C. Cone. HCI and anhydrous PCl2 D. Cone. HCI and anhydrous ZnCl2
The given dissociation constant (Ka) value 1.3×10-10 is of_________________?
A. Alcohol B. Acetic acid C. Water D. Phenol