Organic chemistry
1 and 2
1 and 3
2 and 3
1, 2 and 3
Answer is Wrong!
Answer is Right!
2. Formula of ethanol . . . . . . . . is. A. CH5OH B. C2H6OH C. CH3CH2OH2 D. C2H5OH
CH5OH
C2H6OH
CH3CH2OH2
C2H5OH
Answer is Wrong!
Answer is Right!
Detailed SolutionFormula of ethanol . . . . . . . . is. A. CH5OH B. C2H6OH C. CH3CH2OH2 D. C2H5OH
3. Which of the following acids is present in red ants? A. formic acid B. tannic acid C. oxalic acid D. malic acid
formic acid
tannic acid
oxalic acid
malic acid
Answer is Wrong!
Answer is Right!
4. Unsaturated carbon compounds burn in oxygen with excessive black smoke providing a flame with . . . . . . . . A. yellow B. red C. brown D. blue
yellow
red
brown
blue
Answer is Wrong!
Answer is Right!
5. Which of the following is not an explosive? A. TNT B. TNG C. Cyclotrimethylene Trinitramine D. Nitro chloroform
TNT
TNG
Cyclotrimethylene Trinitramine
Nitro chloroform
Answer is Wrong!
Answer is Right!
6. The antiseptic action of dettol is due to presence of A. chlorobenzol B. chloroxylenol C. chloroquine D. chloroamphenicol
chlorobenzol
chloroxylenol
chloroquine
chloroamphenicol
Answer is Wrong!
Answer is Right!
7. Which one of the following carbon compounds will not give a sooty flame? A. Benzene B. Hexane C. Napthalene D. Anthracene
Benzene
Hexane
Napthalene
Anthracene
Answer is Wrong!
Answer is Right!
8. Lactic acid is a: A. Three-carbon molecule B. One-carbon molecule C. Two-carbon molecule D. Four-carbon molecule
Three-carbon molecule
One-carbon molecule
Two-carbon molecule
Four-carbon molecule
Answer is Wrong!
Answer is Right!
9. Which of the following is the other name for ‘marsh gas’? A. Methane B. Ethane C. Propane D. Butane
Methane
Ethane
Propane
Butane
Answer is Wrong!
Answer is Right!
10. Which of the following acids is present in ant bites? A. Formic acid B. Malic acid C. Perchloric acid D. Nitric acid
Formic acid
Malic acid
Perchloric acid
Nitric acid
Answer is Wrong!
Answer is Right!