Question 1 : According to the green chemistry, the chemical involved in the production must be ________
1. Non toxic
2. Toxic
3. Highly toxic
4. Produces the toxic by products
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Question 2 : The atom economy obtained for green synthesis is in the range of _________
1. 62-70%
2. 72-82%
3. 40-50%
4. 90-100%
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Question 3 : What is the percentage atom utilisation?
1. (mole wt of desired product*100)/mole wt of (desired product+total product)
2. (mole wt of desired product*100)/mole wt of (desired product)
3. (mole wt of desired product*100)/mole wt of (desired product+used product)
4. (mole wt of desired product*100)/mole wt of (desired product+by product)
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Question 4 : _________ is the fundamental advantage of the sono chemistry in organic synthesis without solvents.
1. High yields
2. High energy requirements
3. Use of solvents
4. High wastes
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Question 5 : The green synthesis methods should have _________
1. Low efficiency
2. High harmful products
3. Low energy requirements
4. Low atom efficiency
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Question 6 : A desirable green solvent should be __________
1. Costly
2. Toxic
3. Readily available
4. Synthetic
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Question 7 : _________ are greener than the conventional methods.
1. Micro waves
2. Electromagnetic waves
3. Ultra violet waves
4. Radio waves
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Question 8 : It reduces the use of _________
1. liquid fuels
2. Energy
3. Gaseous fuels
4. Solid fuels
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Question 9 : In petrochemical industry, both in conventional method and green synthesis what is the first product obtained?
1. 2-ethyl benzene
2. Ethanol
3. Methyl methacrylate
4. 2-methyl propyl benzene
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Question 10 : Green synthesis method is ________ than the conventional method.
1. More costlier
2. More efficient
3. Slower
4. Less efficient
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