Advertisements
Advertisements
प्रश्न
Define atom economy.
Advertisements
उत्तर
Atom economy is a measure of the amount of atoms from the starting materials that are present in the useful products at the end of the chemical process.
संबंधित प्रश्न
Write the formula to calculate the % atom economy.
Name the γ-isomer of BHC.
How will you illustrate the use of a safer solvent and auxiliaries?
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?
Mention the total number of principles of green chemistry.
Name the γ-isomer of Benzene hexachloride.
Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?
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.
In the manufacture of phenol from isopropyl benzene, the important by-product obtained is ____________.
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 prepare foam packaging and light switchplates?
Which of the following is recycled to make trash-can liners?
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 used as green solvent?
