An organic compound A reacts with sodium metal and forms B. On heating with conc. H2SO4, A gives diethyl ether. So A and B are:
1. C3H7OH and CH3ONa
2. CH3OH and CH3ONa
3. C4H9OH and C4H9ONa
4. C2H5OH and C2H5ONa
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWidespread deaths due to liquor poisoning occur due to the presence of-
1. Lead compounds in liquor
2. Methyl alcohol in liquor
3. Ethyl alcohol in liquor
4. Carbonic acid in liquor
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUpon dehydration, the below mentioned compound will not give -
1. | 2. | |
|
3. | |
4. | |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following alcohols,
I. | |
II. | |
III. | |
IV. |
Ease of dehydration of the above alcohols will be in the order of-
1. I < II < III < IV
2. I > II > III > IV
3. III < II < I < IV
4. II < III < IV < I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe best method to prepare cyclohexene from cyclohexanol is by using:
1. conc. HCl + ZnCl2
2. conc. H3PO4
3. HBr
4. conc. HCl
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA | B | |
1. | |
|
2. | ||
3. | |
|
4. | |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct order of dehydration of compounds (i), (ii) and (iii) by conc. H2SO4 is:
(i) | |
(ii) | |
(iii) |
1. (i) > (iii) > (ii)
2. (i) > (ii) > (iii)
3. (ii) > (i) > (iii)
4. (ii) > (iii) > (i)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOptically active 2-octanol rapidly loses its optical activity when exposed to :
1. Dilute acid
2. Dilute base
3. Light
4. Humidity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe most reactive compound among the following toward electrophilic aromatic substitution reaction is:
1. | 2. | ||
3. | |
4. | |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe proposed mechanism for hydration of ethene to yield ethanol is as follows:
The wrong step in the above mechanism is-
1. Step 1
2. Step 2
3. Step 3
4. Both steps 2 and 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology