Please select a subject first
Advertisements
Advertisements
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Concept: undefined >> undefined
The unit of Henry's law constant is ____________.
Concept: undefined >> undefined
Advertisements
In the formation of an aldol, α-carbon atom of one aldehyde molecule attaches to ____________ of another aldehyde molecule.
Concept: undefined >> undefined
If 'I' stands for the distance between the electrodes and 'a' stands for the area of cross-section of the electrode, `"l"/"a"` refers to ____________.
Concept: undefined >> undefined
Number of oxygen atoms present in salicylaldehyde are ______.
Concept: undefined >> undefined
\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]
The compound C3H8O is a/an ____________.
Concept: undefined >> undefined
A solution of CuSO4 is electrolysed using a current of 1.5 amperes for 10 minutes. What mass of Cu is deposited at cathode? [Atomic mass of Cu = 63.7]
Concept: undefined >> undefined
Which of the following reaction proves the chlorinating property of phosphorus pentachloride?
Concept: undefined >> undefined
Which of the following pairs of aryl halides cannot be prepared directly by electrophilic substitution?
Concept: undefined >> undefined
Using the standard electrode potentials given below, identify the correct statements from the following:
\[\ce{Fe^2+ + 2e^- -> Fe}\]; E0 = −0.44 V
\[\ce{Cu^2+ + 2e^- -> Cu}\]; E0 = +0.34 V
\[\ce{Ag^+ + e^- -> Ag}\]; E0 = +0.80 V
(I) Copper can displace iron from FeSO4 solution
(II) Iron can displace copper from CuSO4 solution
(III) Silver can displace copper from CuSO4 solution
(IV) Iron can displace silver from AgNO3 solution
Concept: undefined >> undefined
Identify compound 'B' in following series of reactions?
\[\ce{Acetonitrile ->[Na/alcohol] A ->[NaNO2/dil.HCI] B}\]
Concept: undefined >> undefined
Catalyst used in Rosenmund reduction is ____________.
Concept: undefined >> undefined
An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as ______.
Concept: undefined >> undefined
The compound formed when 3, 5-dinitrobenzoic acid reacts with thionyl chloride is ___________.
Concept: undefined >> undefined
Which alcohol is difficult to oxidise?
Concept: undefined >> undefined
____________ plays an important role in sustainable development.
Concept: undefined >> undefined
Identify Sandmeyer's reaction from the following.
Concept: undefined >> undefined
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
Concept: undefined >> undefined
Which of the following is CORRECT for [Co(NH3)5Br]Br2?
Concept: undefined >> undefined
____________ is used for silvering mirrors.
Concept: undefined >> undefined
