Which reagent is used to convert propene into 1-propanol?
1. H2O, H2SO4
2. B2H6, H2O2, OH–
3. Hg(OAc)2, NaBH4/H2O
4. Aq. KOH
The correct order of –I effect is:
| 1. | -NR3+ > -OR > -F |
| 2. | -F > -NR3+ > -OR |
| 3. | -NR3+ > -F > -OR |
| 4. | -OR > -NR3+ > -F |
The hydrolyzed product of an ester, when reduced by \(\mathrm{LiAlH}_4\), gives:
1. Two alcohols
2. Two aldehyde
3. One acid and one alcohol
4. Two acids
Aspirin can be prepared by the reaction of acetyl chloride with:
1. Benzoic acid
2. Phenol
3. p-Hydroxy benzoic acid
4. o-Hydroxy benzoic acid
-D-glucose and β-D-glucose are:
1. Epimers
2. Anomers
3. Functional isomers
4. Chain isomers
CF2 = CF2 is a monomer of:
1. Teflon
2. Orlon
3. Polythene
4. Nylon-6
The correct order of stability is:
| 1. | 1–butene > Trans–2–butene > Cis–2–butene |
| 2. | Trans–2–butene > 1–butene > Cis–2–butene |
| 3. | Trans–2–butene > Cis–2-butene > 1–butene |
| 4. | Cis-2–butene > Trans–2–butene > 1–butene |
IUPAC name of
is:
1. 2-Chloro-3-iodo-2-pentene
2. 2-Chloro-3-iodo-3-pentene
3. 2-Iodo-3-chloro-pentene
4. None of the above
2-Butene shows geometrical isomerism due to:
1. Restricted rotation about double bond
2. Free rotation about double bond
3. Free rotation about single bond
4. Chiral carbon
Find the dihedral angle in the staggered form of ethane.
1.
2.
3.
4.