Quantitative measurement of nitrogen in an organic compound is done by the method :
Berthelot method
Belstein method
Lassaigne test
Kjheldahl method
Brown 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 of the following is a false statement ?
Fluorine is more electronegative than chlorine
Nitrogen has greater IE1 than oxygen
Lithium is amphoteric
Chlorine is an oxidising agent
Which kind of fission is favoured by sunlight ?
Heterolytic fission
Homolytic fission
Both (a) and (b)
None of the above
The reagent used in Gatterman Koch aldehyde synthesis is :
Pb/BaSO4
alkaline KMnO4
acidic KMnO4
CO + HCl
Which type of isomerism is shown by propanal and propanone ?
Functional group
Metamerism
Tautomerism
Chain isomerism
A.
Functional group
When two compounds have similar molecular formula but differ in the functional goup then the Isomerism is called functional group Isomerism i.e. ,
CH3CH2CHO and CH3COCH3
Which of the following is a use of alum ?
Making explosives
Bleaching clothes
Water softening
All of the above
Cetane is a compound which has very good ignition property .Chemically it is :
CH3(CH2)14CH3
(CH3)3C(CH2)11CH3
C17H34
None of the above
Which of the following reaction involves oxidation and reduction ?
NaBr + HCl NaCl + HBr
HBr + AgNO3 AgBr + HNO3
H2 + Br2 2HBr
Na2O + H2SO4 Na2SO4 + H2O