When 3,3-Dimethyl-2-butanol is heated with H₂SO₄, the major product obtained is
Which reaction product is formed from benzaldehyde and methyl amine?
Which of the following reagents cannot be used to distinguish between hexanal and 2-hexanone?
Which of the following method is most appropriate for the manufacture of methane?
The reaction in which sodium cyanide is used is
The conversion of Cl ― CH ═ CH ― Cl to Cl₂CH ― CHCl₂ can be carried out with
Heterolytic cleavage of a covalent bond gives only
An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is
The enzyme present in saliva is
Oxidation of glucose is one of the most important reactions in a living cell. What is the number of ATP molecules generated in cells from one molecule of glucose?
When propanamide reacts with Br₂ and NaOH then which of the following compounds is formed ?
[Ag(NH₃)₂]OH liberates silver when it reacts with
Which of the following cannot reduce Fehling solution?
Maltose on hydrolysis produces
When H₂ and I₂ are mixed and equilibrium is attained, then
1 mole of N₂ and 2 moles of H₂ are allowed to react in a 1 dm3 vessel. At equilibrium 0.8 mole of NH₃ is formed. The concentration of H₂ in the vessel is
If in a container, no mass and heat exchange occurs, then it constitutes a/an
In thermodynamics, a process is called reversible when
If one mole of an ideal gas at 27oC temperature is compressed reversibly from 20 litres to 10 litres, then work done during the process is (R=8.314J-K-1-mol-1)
Sodium nitroprusside reacts with sulphide ion to give a purple colour due to the formation of :
The type of isomerism present in nitropentaamminechromium (III) chloride is
Aromatic nitriles are not prepared by
In the reaction A + e⁻ → A⁻
Dye test can be used to distinguish between
What is the reduction electrode potential (in volts) of copper electrode when [Cu+2] = 0.01 M in a solution at 25o C ? (E0 of Cu+2 ∕ Cu in electrode is + 0.34 V)
If a salt bridge is removed between the two half cells, the voltage
In Williamson's synthesis, ethoxyethane is prepared by
The lustre of a metal is due to
Molecular weight of a gas that diffuses twice as rapidly as the gas with molecular weigh 64 is
Which of the following sulphate is insoluble in water?
Which of the following is amphoteric?
If three electrons are lost by a metal ion M3+, its final oxidation number would be
Which one of the following pentafluorides cannot be formed ?
Consider following statements
I : A compound and its enantiomer can be distinguished by their effects on polarised light.
II : Enantiomers are not superimposable.
III : Dissymmetry is the necessary and sufficient condition for the existence of enantiomers. Select correct statement(s):
Which of the following does not give a precipitate with excess of NaOH?
A colloidal solution of Fe(OH)₃ in water is called a/an
In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in