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Chemistry Part-II
Class 12
NCERT
1
Chapter 1: Haloalkanes and Haloarenes
33 questions
Q1
Explain why?
(i) The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
(ii) Alkyl halides, though polar, are immiscible with water?
(iii) Grignard reagents should be prepared under anhydrous conditions?
(i) The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
(ii) Alkyl halides, though polar, are immiscible with water?
(iii) Grignard reagents should be prepared under anhydrous conditions?
Q2
Give the uses of freon 12, DDT, carbon tetrachloride and iodoform.
Q3
Write the structure of the major organic product in each of the following reactions:
View all question(ii)
(iv)
(vi)
(viii)
2
Chapter 2: Alcohols, Phenols and Ethers
38 questions
3
Chapter 3: Aldehydes, Ketones and Carboxylic Acids
26 questions
4
Chapter 4: Amines
18 questions
5
Chapter 5: Biomolecules
25 questions
6
Chapter 6: Polymers
21 questions
7
Chapter 7: Chemistry in Everyday Life
27 questions
Question
Medium
Solving time: 4 mins
Give the uses of freon 12, DDT, carbon tetrachloride and iodoform.
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Text solution
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The uses of various compounds ar given below.
Freon It is used as a refrigerant in refrigerators and air conditioners.
It is used in aerosol spray propellants such as body sprays, hair sprays etc.
DDT :
It is used as an insecticide.
It is effective against mosquitoes and lice.
Carbon tetrachloride:
It is used in manufacturing refrigerants and propellants for aerosol cans.
It is used as feedstock in the synthesis of chlorofluorocarbons and other chemicals.
It is used as a solvent in the manufacture of pharmaceutical products.
Till 's, it was used as a cleaning fluid, a degreasing agent and a fire extinguisher.
Iodoform.:
It was used as an antiseptic as it liberates free iodine when it comes in contact with the skin.
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Practice more questions from Chemistry Part-II (NCERT)
Q1
Explain why?
(i) The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
(ii) Alkyl halides, though polar, are immiscible with water?
(iii) Grignard reagents should be prepared under anhydrous conditions?
(i) The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
(ii) Alkyl halides, though polar, are immiscible with water?
(iii) Grignard reagents should be prepared under anhydrous conditions?
Q2
Give the uses of freon 12, DDT, carbon tetrachloride and iodoform.
Q3
Write the structure of the major organic product in each of the following reactions:
View all(ii)
(iv)
(vi)
(viii)
Practice questions from Chemistry Part-II (NCERT)
Question 2
Medium
Views: 6,253
(i) Propene to propan-1-ol (ii) Ethanol to but-1-yne
(iii) 1-Bromopropane to 2-bromopropane (iv) Toluene to benzyl alcohol
(v) Benzene to 4-bromonitrobenzene (vi) Benzyl alcohol to 2-phenylethanoic acid
(vii) Ethanol to propanenitrile (viii) Aniline to chlorobenzene
(ix) 2-Chlorobutane to 3, 4-dimethylhexane (x) 2-Methyl-1-propene to 2-chloro-2-methylpropane
(xi) Ethyl chloride to propanoic acid (xii) But-1-ene to n-butyliodide
(xiii) 2-Chloropropane to 1-propanol (xiv) Isopropyl alcohol to iodoform
(xv) Chlorobenzene to p-nitrophenol (xvi) 2-Bromopropane to 1-bromopropane
(xvii) Chloroethane to butane (xviii) Benzene to diphenyl
(xix) tert-Butyl bromide to isobutyl bromide (xx) Aniline to phenylisocyanide
Question 3
Medium
Views: 6,609
i) ii)
iii) iv)
v) vi)
vii) viii)
ix) x)
xi) xii)
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| Question Text | Give the uses of freon 12, DDT, carbon tetrachloride and iodoform. |
| Updated On | Feb 25, 2023 |
| Topic | Haloalkanes and Haloarenes |
| Subject | Chemistry |
| Class | Class 12 |
| Answer Type | Text solution:1 Video solution: 6 |
| Upvotes | 680 |
| Avg. Video Duration | 7 min |
