|
Why is benzylic free radical more stable than allylic free radical?
|
|
2
|
5765
|
February 1, 2018
|
|
Draw a diagram of bubble plate type fractionating column
|
|
1
|
3236
|
December 19, 2016
|
|
Suggest a method to purify
|
|
1
|
2852
|
December 19, 2016
|
|
Why is it necessary to use acetic acid and not sulphuric acid for acidification of sodium extract for testing sulphur by lead acetate test?
|
|
0
|
7447
|
December 19, 2016
|
|
Suggest methods for the separation of the following mixtures
|
|
1
|
1650
|
December 19, 2016
|
|
Draw the resonance structures for the following compounds
|
|
1
|
12729
|
December 19, 2016
|
|
For the following bond cleavages
|
|
1
|
1255
|
December 19, 2016
|
|
Give three points of differences between inductive effect and resonance effect
|
|
0
|
12860
|
December 19, 2016
|
|
Arrange the following
|
|
1
|
673
|
December 19, 2016
|
|
Classify the following reactions in one of the reaction type studied in this unit
|
|
1
|
1684
|
December 19, 2016
|
|
What is meant by delocalisation?
|
|
0
|
1546
|
December 19, 2016
|
|
How does (i) an electron withdrawing group (EWG)
|
|
1
|
1968
|
December 19, 2016
|
|
What are reactive intermediates? How are they generated by bond fission?
|
|
0
|
3669
|
December 19, 2016
|
|
Give the structure and hybridisation of
|
|
1
|
633
|
December 19, 2016
|
|
Which bond is more polar in the following pair of molecules
|
|
1
|
1085
|
December 19, 2016
|
|
Why does $S{{O}_{3}}$ act as an electrophile?
|
|
0
|
682
|
December 19, 2016
|
|
$CH_{ 2 }$ = CH is more basic than HC=${{C}^{-}}$ . Explain why?
|
|
0
|
1115
|
December 19, 2016
|
|
Consider structures I to VII and answer following
|
|
1
|
4619
|
December 19, 2016
|
|
What are hybridisation states of each carbon atom
|
|
1
|
1106
|
December 19, 2016
|
|
What is the relationship between the members of following pairs of structures?
|
|
1
|
3115
|
December 19, 2016
|
|
Write structural formulae for all the isomeric amines
|
|
1
|
747
|
December 19, 2016
|
|
Give the IUPAC names of the following
|
|
1
|
5766
|
December 19, 2016
|
|
Give condensed and bond line structural formulae
|
|
1
|
4060
|
December 19, 2016
|
|
Write bond-line formulas for
|
|
1
|
1522
|
December 19, 2016
|
|
Indicate the σ- and $\pi$-bonds
|
|
1
|
658
|
December 19, 2016
|
|
An alkane has a molecular mass of 72
|
|
1
|
3666
|
December 19, 2016
|
|
What are the possible structures for a carboxylic acid
|
|
1
|
718
|
December 19, 2016
|
|
Which of the following represents the correct IUPAC name
|
|
1
|
1400
|
December 19, 2016
|
|
Give the common name of
|
|
1
|
1660
|
December 19, 2016
|
|
Explain why the name butanol is not specific
|
|
1
|
2390
|
December 19, 2016
|