Multiple Choice QuestionsBrown ring in the test of NO3- is formed due to the formation of :
FeSO4 . NO
[Fe(SO4)2 . NO] H2O
Fe(SO4)3 . NO
none of these
Which kind of fission is favoured by sunlight ?
Heterolytic fission
Homolytic fission
Both (a) and (b)
None of the above
Which type of isomerism is shown by propanal and propanone ?
Functional group
Metamerism
Tautomerism
Chain isomerism
The correct order of ease of dehydration of following is :
I > II > III
III > II > I
I > III > II
III > I > II
Among the following which one can have a meso form?
CH3CH(OH)CH(Cl)C2H5
CH3CH(OH)CH(OH)CH3
C2H5CH(OH)CH(OH)CH3
HOCH2CH(Cl)CH3
The major product obtained on the monobromination (with Br2/FeBr3) of the following compound A is
B.
The position taken up by a third group entering the ring depends on the nature of the two groups already present. When both groups show o- and p-directing nature, the directive power of each group is generally in the following order :
O >NH2 > NR2 >OH > OMe, NHAc > Me > X.
In case of a compound A
, the arrows are used to indicate the possible position that amy be taken up by an incoming group.
Due to presence of bulky group, steric effect works, and the favourable product will be this.
Among the following the most stable compound is
cis-1,2-cyclohexanediol
trans-1,2-cyclohexanediol
cis-1,3-cyclohexanadiol
trans-1,3-cyclohexanediol.
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