R-CH2-CH2OH can be converted into RCH2CH2COOH. The correct sequence of reagents is:
1. PBr3, KCN, H+
2. PBr3, KCN, H2
3. KCN, H+
4. HCN, PBr3, H+
The strongest acid among the following aromatic compounds is -
1. | p-Chlorophenol | 2. | p-Nitrophenol |
3. | m-Nitrophenol | 4. | o- Nitrophenol |
The product (x) of this reaction is
1.
2.
3.
4.
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
The major product in the acid catalysed dehydration of would be
1.
2.
3.
4.
The number of moles of HI
consumed by the given compound is:
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
Consider 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 |
The product 'D' in the below mentioned reaction is:
\(CH_3MgBr + \text{cyclopentanone}\ \)
\(\xrightarrow{H_2O}\ A\ \xrightarrow{HBr}\ B\)
\( B\ \xrightarrow{Mg/Ether}\ C \xrightarrow[H_3O^+]{HCHO}\ D\)
1. | |
2. | |
3. | |
4. | |
Methanol and ethanol can be distinguished by the following:
1. By reaction with metallic sodium
2. By reaction with caustic soda
3. By heating with iodine and washing soda
4. By heating with zinc and inorganic mineral acid
can be repared from williamson's synthesis using
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | All of these |
1. and C6H5CH2ONa
2. C6H5CH2Cl and
3. and C6H5ONa
4. All of these
Which of the following reactions will give 2° chiral alcohol as one or more of major organic products?
(1) | |
(2) | |
(3) | |
(4) | None |