The precise formulation of Lucas reagent consists of :
1. conc. HCl and anhydrous ZnCl2
2. conc. HNO3 and anhydrous ZnCl2
3. conc. HCl and hydrous ZnCl2
4. conc. HNO3 and hydrous ZnCl2
Propene, CH3-CH=CH2 can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?
1. KMnO4(alkaline)
2. Osmium tetroxide (OsO4/CH2Cl2)
3. B2H6 and alk H2O2
4. O3/Zn
The compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is:
1. CH3CH(OH)CH3
2. CH3CH2CH(OH)CH3
3. CH3OH
4. CH3CH2OH
Which set of reactants among the following produces anisole?
1. CH3CHO, RMgX
2. C6H5OH, NaOH, CH3I
3. C6H5OH, neutral FeCl3
4. C6H5-CH3, CH3COCl, AlCl3
Identity Z in the sequence of reactions-
CH3CH2CH=CH2 YZ
1. CH3-(CH2)3-O-CH2CH3
2. (CH3)2CH2-O-CH2CH3
3. CH3(CH2)4-O-CH3
4. CH3CH2-CH(CH3)-O-CH2CH3
n-Propyl alcohol and isopropyl alcohol can be distinguished by:
1.
2. Reduction
3. Oxidation with potassium dichromate
4. Ozonolysis
The reaction of ethyl formate with an excess of CH3MgI followed by hydrolysis gives:
1. n-Propyl alcohol
2. Ethanol
3. Isopropyl alcohol
4. Propanal
The general molecular formula, which represents the homologous series of alkanols is
1. CnH2nO2
2. CnH2nO
3. CnH2n+1O
4. CnH2n+2O
In a reaction,
M
M=molecules, R=reagent. M and R are
1. and NaOH
2. and aq.
3. and HCl
4. and heat
Which one is formed when sodium phenoxide is heated with ethyl iodide?
1. Phenetole
2. Ethyl phenyl alcohol
3. Phenol
4. None of the above