To differentiate between carbon-12, carbon-13 and carbon-14, the instrument that you would use is :
infra-red spectrometer
atomic absorption spectrometer
mass spectrometer
ultraviolet spectrometer
A mixture of sand and iodine can be separated by:
crystallisation
sublimation
distillation
fractionation
Which of the following statement is wrong ?
Using Lassaigne's test nitrogen and sulphur present in organic compound can be tested
Using Beilstein's test the presence of halogen in a compound can be tested.
In Lassaigne's filtrate the nitrogen present in a organic compound is converted into NaCN
In the estimation of carbon, an organic compound is heated with CaO in a combustion tube
Cis-trans isomers generally :
contain an asymmetric carbon atom
contain double bonded carbon atoms
rotate the plane of polarized light
are enantiomorphs
How many structural isomers are possible for C4H9Cl?
2
4
8
10
B.
4
There are 4 structural isomers possible for C4H9Cl.
(i) 1-chlorobutane : CH3-CH2-CH2-CH2-Cl
(ii) 2-chlorobutane : CH3-CH2--CH3
(iii) 2-chloro-2-methyl propane : CH3--CH3
(iv) 1-chloro-2-methyl propane : CH3-CH(CH3)-CH2Cl
Which of the following compound is optically active?
1 - butanol
Isopropyl alcohol
Acetaldehyde
2 - butanol