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प्रश्न
Draw structure of DDT.
Write the structure of the following:
DDT
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उत्तर
Dichlorodiphenyltrichloroethane (DDT)
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संबंधित प्रश्न
Give the uses of freon 12.
How the following conversion can be carried out?
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Write the environmental effects of DDT.
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Methyl chloride to acetone.
Give balanced equations for the following reactions:
Acetic anhydride with phosphorus pentachloride.
Give balanced equations for the following reaction:
Acetaldehyde with hydroxylamine.
Write balanced chemical equation for the following reaction:
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Write the formula of the following compound:
Potassiumhexacyanoferrate(III)
In the following sequence of the reactions, what is D?
The pesticide DDT slowly changes to __________.
Phosgene is a common name for ____________.
In which of the following conversions, phosphorus pentachloride is used as the reagent?
Chloroform and conc. HNO3 reacts to produce ____________.
B.H.C. is used as an ____________.
Gammexane is ____________.
Among the following, insecticide is:
A dihalogen derivative ‘X’ of a hydrocarbon with three carbon atoms react with ale. KOH and produces hydrocarbon which forms red ppt. with ammonical Cu2Cl2. ‘X’ gives an aldehyde on reaction with aq. KOH. The compound ‘X’ is:
Major product obtained on reaction of 3-Phenyl propene with HBr in presence of organic peroxide.
Why iodoform has appreciable antiseptic property?
What are the IUPAC names of the insecticide DDT and benzene hexachloride? Why is their use banned in India and other countries?
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 |
Convert the following:
Chloroethane to methanamine.
The most stable conformation of 1, 2-dibromomethane among the following is
 |
| I |
 |
| II |
 |
| III |
 |
| IV |
Which of the following will have a mesoisomer also?
If chloroform is left open in air in the presence of sunlight, it gives
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Chlorination of CS2 give
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Westrosol is:-
In the above reaction if we take methylene chloride and isopropylidene chloride then products are ______.
The compound that will not give iodoform on treatment with alkali and iodine is ______.
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Write the equation for the following:
Oxidation of chloroform by air and light.
Give the IUPAC name of the following compound:
\[\ce{(CCl3)3CCl}\]
Give the IUPAC names of the following componus:
\[\ce{CICH2C =CCH2Br}\]
State the uses of iodoform (CHI3)
Write names of two polyhalogen compounds.
Give the uses of DDT.
Give the uses of carbon tetrachloride.
Give the uses of iodoform.
DDT is obtained by the reaction of chlorobenzene with ______.
Assertion (A): Exposure of ultraviolet rays to human causes the skin cancer, disorder and disrupt the immune system. Sol. Reason (R): Carbon tetrachloride is released into air it rises to atmosphere and deplets the ozone layer. In the light of above statements, choose the most appropriate answer from the options given below.
Which of these compounds is synthesised by chloral?
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