A. C6H5OH
B. C6H5CH(OH)2
C. C6H5CH2OH
D. C6H5COOH
✅ The correct answer is option C.
Alcohols Phenols and Ethers MCQs
Which one of the following is also known as the lactic acid?
A. 3-Hydroxy propanoic acid
B. 2-Hydroxy propanoic acid
C. 2-hydroxy butanoic acid
D. 3-hydroxy butanoic acid
✅ The correct answer is option B.
Which one of the following is also known as the tartaric acid?
A. 2 3-dihydroxy butane 1 4 -dioic acid
B. 2 3 -dihydroxy butanedioic acid
C. 2 3 -dihydroxy butanedioic acid
D. 2 2 -dihydroxy butanoic acid
✅ The correct answer is option A.
Water gas heated at 450°C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce
A. Methanal
B. Methanol
C. Carbonic acid
D. Methane
✅ The correct answer is option B.
The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called
A. Mother liquor
B. Filterate
C. Extract
D. Molasses
✅ The correct answer is option D.
The formula of starch is
A. C12H22O11
B. C6H10O5
C. (C6H10O5)n
D. C6H12O6
✅ The correct answer is option C.
The process of fermentation of starch involves many enzymes the sequence of enzymes used are
A. Diastase-maltase-zymase
B. Zymase-maltase-diastase
C. Maltase-diastase-zymase
D. Diastase-zymase-maltase
✅ The correct answer is option A.
The rectified spirit contains
A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol
✅ The correct answer is option C.
K2Cr2O7/H2SO4 generate
A. Oxygen
B. Hydrogen
C. Nascent oxygen[O]
D. Nascent hydrogen[H]
✅ The correct answer is option C.
The oxidation of isopropyl alcohol will yield
A. Propane
B. Propanol
C. Propanone
D. Propanoic acid
✅ The correct answer is option C.