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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?
Isopropyl alcohol to iodoform
How the following conversion can be carried out?
Aniline to phenylisocyanide
Write the environmental effects of DDT.
How can the following conversions be brought about:
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 the formula of the following compound:
Potassiumhexacyanoferrate(III)
Give a balanced chemical equation to convert methyl cyanide to ethyl alcohol.
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In which of the following conversions, phosphorus pentachloride is used as the reagent?
B.H.C. is used as an ____________.
Chloropicrin is formed by the reaction of ____________.
Fitting reaction can be used to prepare ____________.
Chloromethane on treatment with excess of ammonia yields mainly ______.
Why iodoform has appreciable antiseptic property?
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 will you obtain monobromobenzene from aniline?
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 |
Some halogen containing compounds are useful in daily life. Some compounds of this class are responsible for exposure of flora and fauna to more and more of UV light which causes destruction to a great extent. Name the class of these halocompounds. In your opinion, what should be done to minimise harmful effects of these compounds.
Which of the following does not give iodoform test?
The shape of methyl carbanion is similar to that of–
Which of the following will have a mesoisomer also?
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Chlorination of CS2 give
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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:
\[\ce{(CCl3)3CCl}\]
State the uses of iodoform (CHI3)
Convert the following iodomethane to methoxy methane.
Write equation to convert Methyl cyanide to ethanoic acid.
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Give the uses of carbon tetrachloride.
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Strong reducing agent converts CHCl3 into:
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.
Iodoform can be prepared from all except:
