CBSE
Multiple Choice Questions(R)-2-Iodobutane is treated with NaI in acetone and allowed to stand for a long time. The product eventually formed is
(R)-2-iodobutane
(S)-2-iodobutane
(±)-2-iodobutane
(±)-1, 2-diiodobutane
What is 'X' in the following sequence ?
ArN2Cl Z Y X
Benzoic acid
Sodium benzoate
Benzaldehyde
Benzene
A salt on reacting with dil. H2S04 gives a reddish brown gas. The salt is:
KNO2
ZnBr2
NaNO3
FeCl3
A light greenish coloured salt was soluble in water. On passing H2S into the solution a black precipitate was obtained which dissolved readily in HCl The metal ion present is:
Co2+
Fe2+
Ni2+
Mn2+
Which of the following statement is not true about homolytic cleavage?
In homolytic cleavage the movement of a single electron takes place instead of an electron pair.
The organic reaction which proceed through homolytic bond cleavage are called ionic reactions or polar reactions
Homolytic cleavage results in the formation of neutral species which contains an unpaired electrons
None of the above
Lunar caustic is
AgCl
AgNO3
NaOH
KNO3
Amongst the following, the compound that can most readily get sulphonated is :
benzene
toluene
nitrobenzene
chlorobenzene
The E-isomer among the following is:
The IUPAC name of the following compound is
2-ethylpentanol-4
3-methylhexanol-3
4-methylhexanol-2
4-ethylpentanol-2
Which of the following has the maximum acidic strength ?
p-nitrophenol
p-nitrobenzoic acid
o-nitrobenzoic acid
m-nitrobenzoic acid
