Q. No.
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(CH3)4N+ is neither an electrophile nor a nucleophile because of it:
| 1. | Does not have an electron pair for donation and it also cannot attract an electron pair. |
| 2. | Neither has an electron pair available for donation nor can accommodate electrons since all shells of N are fully occupied. |
| 3. | Can act as Lewis acid and base. |
| 4. | None of the above. |
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The stability of 2,3-dimethylbut-2-ene is more than 2-butene. This can be explained in terms of:
1. Resonance
2. Hyperconjugation
3. Electromeric effect
4. Inductive effect
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Silver sulphate solution is used to separate:
1. Nitrate and bromide
2. Nitrate and chlorate
3. Bromide and iodide
4. Nitrate and nitrite
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The IUPAC name of 
is:
1. 2,6-Dimethylhepta-2, 5-dienoic acid
2. 3,7-Dimethylhepta-2, 5-dienoic acid
3. 1-Hydroxy-2, 6-dimethylhepta-2, 5-dienone
4. None of the above
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The IUPAC name of the given compound is:
1. Ethyl 2-methylprop-2-enoate
2. Ethyl 2-methylprop-1-enoate
3. 1-Ethoxy 2-methylprop-2-enoate
4. 1-Ethoxy 2-methylprop-2-enal
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A compound that does not give a positive test in Lassaigne’s test for nitrogen is-
| 1. | Urea | 2. | Hydrazine |
| 3. | Azobenzene | 4. | Phenyl hydrazine |
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In Kjeldahl's method of estimation of nitrogen, K2SO4 acts as:
1. An oxidising agent
2. Catalytic agent
3. Hydrolysing agent
4. Boiling point elevator
Sodium nitroprusside when added to an alkaline solution of sulphide ions produces a colouration which is:
1. Red
2. Blue
3. Brown
4. Purple
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