Advertisements
Advertisements
Question
Answer the following
Give two examples of catalysts.
Advertisements
Solution
i. In the contact process of industrial production of sulfuric acid; sulphur dioxide and oxygen from the air react reversibly over a solid catalyst of platinised asbestos.
ii. Hydrogenation with nickel as a catalyst is used to convert inedible oils into solid fat for the production of margarine.
APPEARS IN
RELATED QUESTIONS
Choose the most correct option.
Which of the following is ϒ-isomer of BHC?
Name the γ-isomer of BHC.
Answer the following
Define catalyst.
Answer the following
How will you illustrate the principle, minimization of steps?
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 _______.
Mention the total number of principles of green chemistry.
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 ____________.
Mandelonitrile is obtained by the reaction between hydrogen cyanide and ______.
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?
