The example of a thermosetting polymer among the following options is:
| 1. | |
| 2. | |
| 3. | |
| 4. |
Which of the following organic compounds polymerizes to form the polyester Dacron?
1. Propylene and para
2. Benzoic acid and ethanol
3. Terephthalic acid and ethylene glycol
4. Benzoic acid and para
Which one of the following is not a common component of Photochemical Smog?
1. Ozone
2. Acrolein
3. Peroxyacetyl nitrate
4. Chlorofluorocarbons
In Kjeldahl’s method for estimation of nitrogen present in the soil sample, ammonia evolved from 0.75g of sample neutralized 10ml of 1M H2SO4. The percentage of nitrogen in the soil is:
| 1. | 37.33 | 2. | 45.85 |
| 3. | 25.75 | 4. | 43.13 |
The product(s) that are formed when the given compound is treated with Br2 in the presence of FeBr3 are:
| 1. | 2. | ||
| 3. | 4. |
When hydrolyzed with aqueous KOH, compounds that undergoes racemization are:
| (i) | (ii) | CH3CH2CH2Cl | |
| (iii) | (iv) |
| 1. | (i) and (ii) | 2. | (ii) and (iv) |
| 3. | (iv) only | 4. | (i) and (iv) |
Which of the following set of reactants produces Anisole?
1. CH3CHO ; RMgX
2. C6H5OH ; NaOH ; CH3l
3. C6H5OH ; neutral FeCl3
4. C6H5 - CH3 ; CH3COCl ; AlCl3
The compound, among the following, that will not be soluble in sodium hydrogen carbonate is:
| 1. | 2, 4, 6-Trinitrophenol | 2. | Benzoic acid |
| 3. | o-Nitrophenol | 4. | Benezenesulphonic acid |
| 1. | |
2. | |
| 3. | |
4. | |