List of top Chemistry Questions

Which of the following statements related to lanthanoids is incorreect?

Identify the wrong relation for real gases

The transition element ( ≈ 5%) present with lanthanoid metal in Misch metal is:

A pair of isoelectric species having bond order of one is:

A metalloid is

For which one of the following mixtures is composition uniform throughout?

For the reaction PCI₅ → PCI₃ + Cl₂, rate and rate constant are 1.02×10^-4 mol L^-1s^-1 and 3.4×10^-5s^-1 respectively at a given instant. The molar concentration of PCI₅, at that instant is:

Which one of the following does not represent Arrhenius equation?

Identify the incorrect statement :

Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at 100°C is :
(Vapour pressure of pure water at 100°C = 760 torr)

A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of:

Which one of the following pairs will show positive deviation from Raoult’s Law?

How many Coulombs are required to oxidise 0.1 mole of H₂O to oxygen?

Which of the following halides cannot be hydrolysed ?

Which one of the following nitrate will decompose to give NO₂ on heating ?

The first chlorinated organic insecticide prepared is :

Which of the following crystals has the unit cell such that a=b≠c and α=β=90°,γ=120° ?

MnO exhibits:

In the given sequence of reactions, identify 'P, 'Q', 'R' and 'S' respectively.

2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are:

In the reaction between moist SO₂ and acidified permanganate solution :

Which one of the following properties is generally not applicable to ionic hydrides ?

The complex compounds [Co(NH₃)₅SO₄]Br and [Co(NH₃)₅Br]SO₄ are:

PCC is :

In the following scheme of reaction,

X, Y and Z respectively are :