Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally
Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group…
7 years ago
Chemistry
Reaction of a carbonyl compound with one of the following reagents involves
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water.The reagents…
7 years ago
On heating which of the following releases CO₂ most easily
On heating which of the following releases CO₂ most easily Options (a) Na₂CO₃ (b) MgCO₃ (c) CaCO₃ (d) K₂CO₃ Correct…
7 years ago
Number of possible isomers for the complex [Co(en)₂Cl₂]Cl
Number of possible isomers for the complex [Co(en)₂Cl₂]Cl will be (en = ethylenediamine) Options (a) 1 (b) 3 (c) 4…
7 years ago
Method by which aniline cannot be prepared is
Method by which aniline cannot be prepared is Options (a) degradation of benzamide with bromine in alkaline solution (b) reduction…
7 years ago
In which of the following pairs, both the species are not isostructural ?
In which of the following pairs, both the species are not isostructural ? Options (a) Diamond , Silicon carbide (b)…
7 years ago
In the extraction of copper from its sulphide ore, the metal is finally obtained
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide…
7 years ago
In an SN1 reaction on chiral centres there is
In an SN1 reaction on chiral centres there is Options (a) inversion more than retention leading to partial racemisation (b)…
7 years ago
If the equilibrium constant for reaction is K, the equilibrium constant for
If the equilibrium constant for N₂(g) + O₂(g) ⇌ 2NO(g) is K, the equilibrium constant for 1/2 N₂(g) + 1/2…
7 years ago
If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹
If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹, this would change Options…
7 years ago