n-propyl alcohol and iso-propyl alcohol can be chemically distinguished by which reagent
1.
2. reduction
3. oxidation with potassium dichromate
4. ozonolysis
Difficulty Level:
Among the following sets of reactants which one produces anisole?
1. CH3CHO, RMgX
2. C6H5OH, NaOH, CH3I
3. C6H5OH, neutral FeCl3
4. C6H5-CH3, CH3COCl, AlCl3
Difficulty Level:
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
Difficulty Level:
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
Difficulty Level:
Reaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives
1. n-propyl alcohol
2. ethanol
3. isopropyl alcohol
4. propanal
Difficulty Level:
In a reaction,
M
M=molecules, R=reagent. M and R are
1. and NaOH
2. and aq.
3. and HCl
4. and heat
Difficulty Level:
Lucas reagent is
1. conc. HCl and anhy. ZnCl2
2. conc. HNO3 and anhy. ZnCl2
3. conc. HCl and hydrous ZnCl2
4. conc. HNO3 and hydrous ZnCl2
Difficulty Level:
The general molecular formula, which represents the homologous series of alkanols is
1. CnH2nO2
2. CnH2nO
3. CnH2n+1O
4. CnH2n+2O
Difficulty Level:
. This reduction cannot be done by:
1.
2. Na + alcohol
3.
4. all of these
Difficulty Level:
What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H2SO4 at 363 K, if the yield is 65%?
1. 16 g
2. 18.2 g
3. 20 g
4. 22 g
Difficulty Level: