An organic compound is found to be optically active. Which of the following is the correct structure of the given compound?
1.
2.
3.
4.
The number of optical isomers formed by hydrogenation of the compound,
1. 0
2. 1
3. 2
4. 3
The number and type of bonds between two carbon atoms in are
1. One sigma and one bond
2. One sigma and two bond
3. One sigma and one and a half bonds
4. One sigma bond
Which of the following has the least hindered rotation about carbon-carbon bond?
1. Ethane
2. Ethylene
3. Acetylene
4. Hexachloroethane
The Cl — C — Cl angles in 1,1,2,2-tetrachloroethene and tetrachloromethane will be about :
1.
2.
3.
4.
Ibuprofen has the following structure:
This compound shows:
1. Geometrical isomerism
2. Optical isomerism
3. Tautomerism
4. Both 1 and 2
The enolic form of an acetone contains:
1. 9 sigma bonds, 1 pi bond, and 2 lone pairs of electrons
2. 8 sigma bonds, 2 pi bonds, and 2 lone pairs of electrons
3. 10 sigma bonds, 1 pi bond, and 1 lone pair of electrons
4. 9 sigma bonds, 2 pi bonds, and 1 lone pair of electrons
How many chiral carbon atoms are present in 2,3,4-trichloropentane?
1. Three
2. Two
3. One
4. Four
The IUPAC name of is
1. Butan-2-aldehyde
2. 2- methylbutanal
3. 3- Methylisobutyraldehyde
4. 3- methylbutanal
An optically active compound is
1. 1-bromobutane
2. -bromobutyric acid
3. 2-Bromo-2-methyl propane
4. 1-Bromo-2-methyl propane