Organic chemistry

1. Study the following statements. 1. The gas supplied in cylinders for cooking is mixture of C3H8 and C4H10. 2. The thermal decomposition of alkanes is known as cracking. 3. Paraffin wax is saturated hydrocarbons. Which of the statements given above are correct? A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2 and 3

1 and 2
1 and 3
2 and 3
1, 2 and 3

Detailed SolutionStudy the following statements. 1. The gas supplied in cylinders for cooking is mixture of C3H8 and C4H10. 2. The thermal decomposition of alkanes is known as cracking. 3. Paraffin wax is saturated hydrocarbons. Which of the statements given above are correct? A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2 and 3

Subscribe on YouTube

Join Our Telegram Channel

2. Formula of ethanol . . . . . . . . is. A. CH5OH B. C2H6OH C. CH3CH2OH2 D. C2H5OH

CH5OH
C2H6OH
CH3CH2OH2
C2H5OH

Detailed SolutionFormula of ethanol . . . . . . . . is. A. CH5OH B. C2H6OH C. CH3CH2OH2 D. C2H5OH

Subscribe on YouTube

Join Our Telegram Channel

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

Detailed SolutionWhich of the following acids is present in red ants? A. formic acid B. tannic acid C. oxalic acid D. malic acid

Subscribe on YouTube

Join Our Telegram Channel

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

Detailed SolutionUnsaturated carbon compounds burn in oxygen with excessive black smoke providing a flame with . . . . . . . . A. yellow B. red C. brown D. blue

Subscribe on YouTube

Join Our Telegram Channel

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

Detailed SolutionWhich of the following is not an explosive? A. TNT B. TNG C. Cyclotrimethylene Trinitramine D. Nitro chloroform

Subscribe on YouTube

Join Our Telegram Channel

6. The antiseptic action of dettol is due to presence of A. chlorobenzol B. chloroxylenol C. chloroquine D. chloroamphenicol

chlorobenzol
chloroxylenol
chloroquine
chloroamphenicol

Detailed SolutionThe antiseptic action of dettol is due to presence of A. chlorobenzol B. chloroxylenol C. chloroquine D. chloroamphenicol

Join Our Telegram Channel

Subscribe on YouTube

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

Detailed SolutionWhich one of the following carbon compounds will not give a sooty flame? A. Benzene B. Hexane C. Napthalene D. Anthracene

Subscribe on YouTube

Join Our Telegram Channel

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

Detailed SolutionLactic acid is a: A. Three-carbon molecule B. One-carbon molecule C. Two-carbon molecule D. Four-carbon molecule

Join Our Telegram Channel

Subscribe on YouTube

9. Which of the following is the other name for ‘marsh gas’? A. Methane B. Ethane C. Propane D. Butane

Methane
Ethane
Propane
Butane

Detailed SolutionWhich of the following is the other name for ‘marsh gas’? A. Methane B. Ethane C. Propane D. Butane

Subscribe on YouTube

Join Our Telegram Channel

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

Detailed SolutionWhich of the following acids is present in ant bites? A. Formic acid B. Malic acid C. Perchloric acid D. Nitric acid

Join Our Telegram Channel

Subscribe on YouTube
Page 1Page 2Page 3Page 4Page 5
Test 1Test 2Test 3Test 4Test 5Test 6Test 7Test 8Test 9