The stability of +1 oxidation state among Al, Ga, In, and TI increases
The stability of +1 oxidation state among Al, Ga, In, and TI increases in the sequence
Options
(a) Al< Ga < In < TI (b) TI < In < Ga < Al (c) […]
AIPMT2015RS
The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second.
The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second. If the concentration of A is 5 M, then concentration of B after 20 minutes is
Options
The oxidation of benzene by V₂O₅ in the presence of air produces
The oxidation of benzene by V₂O₅ in the presence of air produces
Options
(a) maleic anhydride (b) benzoic acid (c) benzaldehyde (d) benzoic anhydride
Correct Answer:
maleic anhydride
Explanation:
No explanation available. Be […]
The name of complex ion, [Fe(CN)₆]³⁻ is
The name of complex ion, [Fe(CN)₆]³⁻ is
Options
(a) hexacyanitoferrate (III) ion (b) tricyanoferrate (III) ion (c) hexacyanidoferrate (III) ion (d) hexacyanoiron (III) ion
Correct Answer:
hexacyanidoferrate (III) ion
Explanation:
No explanation available. […]
The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released
The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released upon formation of 35.2 g of CO₂ from carbon and oxygen gas is
Options
(a) 315 kJ (b) -630 kJ […]
The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic
The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic and then an endothermic step as shown below: O(g) + e⁻ → O⁻(g) ; Δf H° = -141 kJ mol⁻¹ O⁻(g) […]
Strong reducing behaviour of H₃PO₂ is due to
Strong reducing behaviour of H₃PO₂ is due to
Options
(a) high electron gain enthalpy of phosphorus (b) high oxidation state of phosphorus (c) presence of two –OH groups and one P–H bond (d) […]
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
Options
(a) -COOH (b) -CHCl₂ (c) -CHO (d) -CH₂Cl
Correct Answer:
-CHO
Explanation: […]
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 is
Options
(a) hydrazine in presence of feebly acidic solution (b) hydrocyanic acid […]
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 Answer:
MgCO₃
Explanation:
No explanation available. Be the first to write the explanation […]