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प्रश्न
Mention the total number of principles of green chemistry.
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उत्तर
There are total 12 principles of green chemistry.
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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.
Explain any three principles of green chemistry.
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?
According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.
Catalyst used for hydrogenation of oil is ___________
In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.
Define atom economy.
____________ 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?
Which of the following is recycled to make trash-can liners?
All the following statements are CORRECT, EXCEPT:
Identify the use of polyethylene terephthalate.
Identify the polymer used in making floor tiles.
Calculate the atom economy of the following:
(At mass of C = 12, H = 1, 0 = 16)
\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]
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?
