CBSE
Multiple Choice QuestionsThe high oxidising power offluorine is due to :
high electron affinity
high heat of dissociation and low heat of hydration
high heat of hydration and low heat of dissociation
high heat of hydration and high heat of dissociation
Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and thenheated with cuprous bromide. The reaction mixture so formed contains
mixture of o- and m-bromotoluenes
mixture of o- and p-bromotoluenes
mixture of o- and p-dibromobenzenes
mixture of o- and p-bromoanilines
Identify the 'C' in the reaction :
RNH2 A + B + C
NH3
O2
N2
CO2
The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive called ROX.The organic compound is
phenol
toluene
glycerine
formaldehyde
CH3Br + KCN (alco.) X Y
What is Y in the series ?
CH3CN
C2H5CN
C2H5NH2
CH3NH2
In the following sequence of the reactions, what is D ?
Primary amine
An amide
Phenyl isocyanate
A chain lengthed hydrocarbon
Number of isomeric primary amines obtained from C4H11N are :
3
4
5
6
Which of the following amines will not give N2 gas on treatment with nitrous acid (NaNO2 + HCl)?
C2H5NH2
CH3NH2
(CH3)2CH-NH2
All will give N2
Order of hydrolysis for the following :
RCOCl
RCOOR
RCONH2
(RCO)2O
The reaction
is called
Claisen-Schmidt reaction
Kolbe-Schmidt reaction
Schmidt reaction
Kolbe's reaction
