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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 can the following conversions be brought about:
Methyl chloride to acetone.
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.
In which of the following conversions, phosphorus pentachloride is used as the reagent?
Gammexane is ____________.
Chloropicrin is formed by the reaction of ____________.
Fitting reaction can be used to prepare ____________.
\[\ce{CH3CH2CH2Br + NaCN -> CH3CH2CH2CN + NaBr}\], will be fastest in:
Major product obtained on reaction of 3-Phenyl propene with HBr in presence of organic peroxide.
Chloromethane on treatment with excess of ammonia yields mainly ______.
Why iodoform has appreciable antiseptic property?
Diphenyls are potential threat to the environment. How are these produced from arylhalides?
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 |
Assertion: It is difficult to replace chlorine by –OH in chlorobenzene in comparison to that in chloroethane.
Reason: Chlorine-carbon \[\ce{(C - Cl)}\] bond in chlorobenzene has a partial double bond character due to resonance.
Which of the following will have a mesoisomer also?
If chloroform is left open in air in the presence of sunlight, it gives
Ethyl chloride is converted into diethyl ether by
Ethyl bromide reacts with lead sodium alloy to from:-
Sodium ethoxide react with ethyl iodide to yield.
CH3NH2 react with CH3mg x to give
Westrosol is:-
The compound that will not give iodoform on treatment with alkali and iodine is ______.
Phenyl magnesium bromide reacts with methanol to give ______.
Which among the following pairs has only herbicides?
The major product formed when 1, 1, 1-trichloropropane is treated with aqueous potassium hydroxide, is ______.
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.
Write two uses of polyhalogen compounds.
Convert the following iodomethane to methoxy methane.
Give the uses of DDT.
Give the uses of carbon tetrachloride.
Give the uses of iodoform.
Methyl bromide is not used ______.
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.
Assertion (A): CHCI3 is stored in dark bottles. Reason (R): CHCl3 is oxidised in dark.
In the light of above statements, choose the most appropriate answer from the options given below
