Advertisements
Advertisements
प्रश्न
Give the uses of freon 12.
Advertisements
उत्तर
Freon 12 is used in aerosol propellants, refrigeration and air-conditioning.
APPEARS IN
संबंधित प्रश्न
In the following sequence of the reactions, what is D?
B.H.C. is used as an ____________.
\[\ce{CH3CH2CH2Br + NaCN -> CH3CH2CH2CN + NaBr}\], will be fastest in:
Name the alkene which will yield 1-chloro-1-methylcyclohexane by its reaction with \[\ce{HCl}\]. Write the reactions involved.
What are the IUPAC names of the insecticide DDT and benzene hexachloride? Why is their use banned in India and other countries?
How can you obtain iodoethane from ethanol when no other iodine-containing reagent except NaI is available in the laboratory?
Match the compounds given in Column I with the effects given in Column II.
| Column I | Column II | |
| (i) | Chloramphenicol | (a) Malaria |
| (ii) | Thyroxine | (b) Anaesthetic |
| (iii) | Chloroquine | (c) Typhoid fever |
| (iv) | Chloroform | (d) Goiter |
| (e) Blood substituent |
The most stable conformation of 1, 2-dibromomethane among the following is
 |
| I |
 |
| II |
 |
| III |
 |
| IV |
Sodium ethoxide react with ethyl iodide to yield.
Chloroform on reduction with Zn an HCI (all) gives:-
In the above reaction if we take methylene chloride and isopropylidene chloride then products are ______.
Give the IUPAC name of the following compound:
\[\ce{(CCl3)3CCl}\]
Give the IUPAC names of the following componus:
\[\ce{CICH2C =CCH2Br}\]
Convert the following iodomethane to methoxy methane.
Write equation to convert Methyl cyanide to ethanoic acid.
DDT is obtained by the reaction of chlorobenzene with ______.
Methyl bromide is not used ______.
Strong reducing agent converts CHCl3 into:
Which of these compounds is synthesised by chloral?
Iodoform can be prepared from all except:
