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प्रश्न
According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.
विकल्प
Benzene
BHC
Chlorobenzene
Ethanol
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उत्तर
According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days BHC is used as insecticides.
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संबंधित प्रश्न
Choose the most correct option.
Which of the following is ϒ-isomer of BHC?
Name the γ-isomer of BHC.
Answer the following:
Explain the atom economy with a suitable example.
Answer the following
Give two examples of catalysts.
Bottom ash of thermal power stations can be used as raw material for cement and brick industry. This example illustrates which of the following principle of green chemistry?
Catalyst used for hydrogenation of oil is ___________
Mention the total number of principles of green chemistry.
Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?
Define atom economy.
Write one example of safer solvent and hazardous solvent.
____________ can be categorised as a green solvent.
In the manufacture of phenol from isopropyl benzene, the important by-product obtained is ____________.
Which of the following is recycled to prepare foam packaging and light switchplates?
Which of the following is recycled to make trash-can liners?
γ-isomer of BHC is called as ____________.
All the following statements are CORRECT, EXCEPT:
Identify the use of polyethylene terephthalate.
Calculate the atom economy of the following:
(At mass of C = 12, H = 1, 0 = 16)
\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]
How many principles does green chemistry have?
If salicylic acid (138 u) reacts with acetic anhydride (102 u) to from aspirin (180 u) calculate % atom economy.
Which of the following is used as green solvent?
Which of the following is primary benzylic alcohol?
