[Co(NH3)5SO4]Br and [Co(NH3)5Br]SO4 are a pair of ....... isomers.
ionisation
ligand
coordination
hydrate
According to Cahn-Ingold-Prelog sequence rules, the correct order of priority for the given groups is
-COOH > -CH2OH > -OH > -CHO
-COOH > -CHO > -CH2OH > -OH
-OH > -CH2OH > -CHO > -COOH
-OH > -COOH > -CHO > -CH2OH
What are X and Y respectively in the following reaction?
Z-product 2-butyne E-product
Na/ NH3 (liq) and Pd/ BaSO4 + H2
Ni/ 140°C and Pd/ BaSO4 + H2
Ni/ 140°C and Na/ NH3 (liq)
Pd/ BaSO4 + H2 and Na/ NH3 (liq)
The IUPAC name of the following compound is-
ethoxy propane
1,1-dimethyl ether
2-ethoxy isopropane
2-ethoxy propane
Calorific value of producer gas is low because of
high percent of N2
low percent of CO2
high percent of CO
low percent of N2
One mole of alkene on ozonolysis gave one mole of acetaldehyde and one mole of acetone. The IUPAC name of is
2-methyl-2-butene
2-methyl-1-butene
2-butene
1-butene
The concentration of an organic compound in chloroform is 6.15 g per 100 mL of solution. A portion of this solution in a 5 cm polarimeter tube causes an observed rotation of -1.2°. What is the specific rotation of the compound?
+ 12°
-3.9°
-39°
+61.5°
Which one of the following exhibits enantiomerism?
BeCH2-CH2-CH2-CH2Br
H3C-CH(Br)-CH2-CH2-CH3
H3C-CH2-CH2-CH2Br
H3C-CH2-CBr2-CH3
B.
H3C-CH(Br)-CH2-CH2-CH3
H3C-CH(Br)-CH2-CH3 compound consists of a chiral centre or an asymmetric carbon atom therefore, it is optically active compound and hence this compound exhibits enantiomers.
With respect to chlorobenzene, which of the following statements is not correct ?
Cl is ortho/para directing
Cl exhibits + M effect
Cl is ring deactivating
Cl is meta directing
Match the following.
Column I | Column II | ||
A. | Acetaldehyde,vinyl alcohol | 1. | Enantiomers |
B. | Eclipsed and staggered ethane | 2. | Tautomers |
C. | (+)2-butanol,(-)2-butanol | 3. | Chain isomers |
D. | Methyl-n-propyl-amine and diethylamine | 4. | Conformational isomers |
5. | Metamers |
A B C D
1 4 3 5
A B C D
2 4 1 5
A B C D
5 1 4 2
A B C D
5 1 3 2