Rectified spirit contains:
1. 75.0 % alcohol 2. 85.5% alcohol
3. 95.6 % alcohol 4. 100.0% alcohol
The reaction of with RMgX leads to the formation of
1. RCHOHR
2. RCHOHCH3
3. RCH2CH2OH
4.
Increasing order of acidic strength of
p-Methoxy phenol (I),
p-Methyl phenol (II)
p-Nitrophenol (III)
is -
1. III, I, II
2. II, I, III
3. III, II, I
4. I, II, III
Ethers are not distilled to dryness for fear of explosion. This is due to formation of:
1. oxides
2. alcohol
3. ketones
4. peroxides
In the following reaction,
The major products A and C are respectively:
A | C | |
1. | ||
2. | ||
3. | ||
4. |
Isopropyl alcohol and n-propyl alcohol are:
1. Position isomers
2. Chain isomers
3. Functional isomers
4. None of the above
The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is:
1. Acidic KMnO4
2. Alkaline K2Cr2O7
3. Chromium anhydride in glacial acetic acid
4. Pyridinium Chlorochromate
Absolute alcohol contains:
1. 40% H2O
2. 10% H2O
3. 5% H2O
4. 100% C2H5OH
Dialkyl sulphides are known as:
1. sulphonal
2. mercaptan
3. thioethers
4. thioesters
The major product of the following reaction is-
1. a hemiacetal
2. an acetal
3. an ether
4. an ester