R and S enantiomers differ in:
1. Chemical properties
2. Solubility in achiral solvent
3. Rotation of plane polarised light.
4. Dipole moment
The IUPAC name of the following is:
CH2 = CH – CH2 – CH2 – C ≡ CH
1. | 1, 5-Hexenyne | 2. | Hex-1-en-5-yne. |
3. | 1-Hexyne-5-ene | 4. | 1, 5-Hexynene |
and
are-
1. Resonating structures
2. Tautomers
3. Geometrical isomers
4. Optical isomers
Geometrical isomers differ in:
1. Position of the functional group.
2. Position of atoms.
3. Spatial arrangement of atoms.
4. Length of the carbon chain.
What is the partial pressure of toluene in the vapour phase during its steam distillation?
1. | Equal to the pressure of the barometer. |
2. | Less than the pressure of the barometer. |
3. | Equal to vapour pressure of toluene in simple distillation. |
4. | More than the vapour pressure of toluene in simple distillation. |
IUPAC name of the compound given below is:
1. | 4-Ethyl-3-methyloctane | 2. | 3-Methyl-4-ethyloctane |
3. | 2, 3-Diethylheptane | 4. | 5-Ethyl-6-methylocatane |
Pairs of compounds among the following is a pair of enantiomers:
1. | |
2. | |
3. | |
4. |
The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I), benzene (II), and nitrobenzene (III) is:
1. III > II > I
2. II > III > I
3. I < II > III
4. I > II > III
Which of the following orders of acid strength is correct:
1. RCOOH > ROH > HOH > HC ≡ CH
2. RCOOH > HOH > ROH > HC ≡ CH
3. RCOOH > HOH > HC ≡ CH > ROH
4. RCOOH > HC ≡ CH > HOH > ROH