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प्रश्न
Answer the following
Define catalyst.
उत्तर
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
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संबंधित प्रश्न
Answer the following
Write the formula to calculate the % atom economy.
Answer the following
Name the ϒ-isomer of BHC.
Answer the following:
Explain the atom economy with a suitable example.
According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.
In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.
Name the γ-isomer of Benzene hexachloride.
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
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 ____________.
Mandelonitrile is obtained by the reaction between hydrogen cyanide and ______.
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.
Identify the polymer used in making floor tiles.
Calculate the atom economy of the following:
(At mass of C = 12, H = 1, 0 = 16)
\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]
