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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?
Explain any three principles of green chemistry.
Answer the following
How will you illustrate the principle, minimization of steps?
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 ___________
In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.
Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?
Define atom economy.
Explain prevention of waste or by products which is one of the principles of green chemistry.
____________ can be categorised as a green solvent.
In the manufacture of phenol from isopropyl benzene, the important by-product obtained is ____________.
Drath and Frost developed a green technology for the synthesis of ____________.
The formula for percentage atom economy is:
`("Formula weight of the desired product")/("'X'") xx 100`
Here, 'X' is ____________.
The international plastic recycle mark with 'Number 1' is given to ____________.
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.
Define the role of safer chemistry in accident prevention.
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 primary benzylic alcohol?
