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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
How the following conversion can be carried out?
Isopropyl alcohol to iodoform
How the following conversion can be carried out?
Aniline to phenylisocyanide
Give balanced equations for the following reactions:
Acetic anhydride with phosphorus pentachloride.
Write balanced chemical equation for the following reaction:
Methyl magnesium iodide is treated with carbon dioxide and the product hydrolysed in acidic medium.
Write the formula of the following compound:
Triammine triaquachromium (III) chloride
Write the formula of the following compound:
Potassiumhexacyanoferrate(III)
Give a balanced chemical equation to convert methyl cyanide to ethyl alcohol.
In the following sequence of the reactions, what is D?
Phosgene is a common name for ____________.
B.H.C. is used as an ____________.
Chloropicrin is formed by the reaction of ____________.
\[\ce{CH3CH2CH2Br + NaCN -> CH3CH2CH2CN + NaBr}\], will be fastest in:
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:
Chloromethane on treatment with excess of ammonia yields mainly ______.
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.
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 does not give iodoform test?
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:-
Chlorination of CS2 give
Sodium ethoxide react with ethyl iodide to yield.
CH3NH2 react with CH3mg x to give
Chloroform on reduction with Zn an HCI (all) gives:-
In the above reaction if we take methylene chloride and isopropylidene chloride then products are ______.
Phenyl magnesium bromide reacts with methanol to give ______.
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:
\[\ce{(CCl3)3CCl}\]
Convert the following iodomethane to methoxy methane.
Write equation to convert Methyl cyanide to ethanoic acid.
Give the uses of iodoform.
DDT is obtained by the reaction of chlorobenzene with ______.
Methyl bromide is not used ______.
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
