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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.
पर्याय
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?
Write the formula to calculate the % atom economy.
How will you illustrate the use of a safer solvent and auxiliaries?
Answer the following
Define catalyst.
Answer the following:
Explain the atom economy with a suitable example.
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.
Name the γ-isomer of Benzene hexachloride.
Define atom economy.
Write one example of safer solvent and hazardous solvent.
Explain prevention of waste or by products which is one of the principles of green chemistry.
____________ can be categorised as a green solvent.
Drath and Frost developed a green technology for the synthesis of ____________.
Which of the following is recycled to prepare foam packaging and light switchplates?
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?
