The number of isomeric structures for C2H7N would be:
1. 4
2. 3
3. 2
4. 1
The decreasing order of the stability of the given ions is-
(I). | (II). | ||
(III). |
1. | I>II>III | 2. | II>III>I |
3. | III>I>II | 4. | II>I>III |
The maximum number of stereoisomers possible for 3-hydroxy-2-methyl butanoic acid is/are :
1. 1
2. 2
3. 3
4. 4
Ether and benzene can be separated by-
1. Filtration
2. Distillation
3. Crystallization
4. Sublimation
The IUPAC name of the above mentioned compound is -
1. 3,3-Diethyl-4-methyl-5-(methylethyl)octane
2. 3,3-Diethyl-5-isopropyl-4-methyloctane
3. 4-Isopropyl-5-methyl-6,6-diethyloctane
4. 6,6-Diethyl-4-isopropyl-5-methyloctane
Most probable mechanism for this reaction is-
1. E1
2. E2
3.
4. elimination
The general molecular formula, that represents the homologous serious of alkanols is:
1. \(C_{n} H_{2 n} O_{2}\)
2. \(C_{n} H_{2 n} O\)
3. \(C_{n} H_{2 n + 1} O\)
4. \(C_{n} H_{2 n + 2} O\)
In an SN1 reaction on chiral center, there is:
1. 100% racemization
2. Inversion is more than retention leading to partial racemization.
3. 100% retention
4. 100% inversion
Fischer projection indicates:
1. Horizontal substituents above the plane.
2. Vertical substituents above the plane.
3. Both horizontal and vertical substituents below the plane.
4. Both horizontal and vertical substituents above the plane.
The pair that represents chain isomers is-
1. | CH3CHCl2 and ClCH2CH2Cl | 2. | Propyl alcohol and Isopropyl alcohol |
3. | 2-Methylbutane and Neopentane | 4. | Diethyl ether and Dipropyl ether |