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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
Write the environmental effects of DDT.
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:
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
Phosgene is a common name for ____________.
Chloroform and conc. HNO3 reacts to produce ____________.
Gammexane is ____________.
Chloropicrin is formed by the reaction of ____________.
Major product obtained on reaction of 3-Phenyl propene with HBr in presence of organic peroxide.
Why iodoform has appreciable antiseptic property?
How will you obtain monobromobenzene from aniline?
How can you obtain iodoethane from ethanol when no other iodine-containing reagent except NaI is available in the laboratory?
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.
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?
The shape of methyl carbanion is similar to that of–
Which of the following will have a mesoisomer also?
If chloroform is left open in air in the presence of sunlight, it gives
Ethyl bromide reacts with lead sodium alloy to from:-
Sodium ethoxide react with ethyl iodide to yield.
CH3NH2 react with CH3mg x to give
Chloroform on reduction with Zn an HCI (all) gives:-
Phenyl magnesium bromide reacts with methanol to give ______.
Which among the following pairs has only herbicides?
Auto-oxidation of chloroform in air and sunlight produces a poisonous gas known as ______.
Write the equation for the following:
Oxidation of chloroform by air and light.
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 carbon tetrachloride.
Give the uses of iodoform.
DDT is obtained by the reaction of chlorobenzene with ______.
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.
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
Which of these compounds is synthesised by chloral?
Iodoform can be prepared from all except:
