List of top Chemistry Questions

Which one of the following does not represent Arrhenius equation?

The value of 'A' in the equation λ_m = λ_m° - A√C is same for the pair:

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

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

MnO exhibits:

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

The first chlorinated organic insecticide prepared is :

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

Which of the following halides cannot be hydrolysed ?

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

In the reaction between moist SO₂ and acidified permanganate solution :

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

In the analysis of III group basic radicals of salts, the purpose of adding NH₄CI_(s), to NH₄OH is:

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

A haloalkane undergoes S_N2 or S_N1 reaction depending on:

Which of the following statements are true about [CoF₆]^3- ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is + 6.
III. The complex is sp³d² hybridised.
IV. It is a high spin complex.

On treating 100 rnL of 0.1 M aqueous solution of the complex CrCl₃.6H₂O with excess of AgNO₃,2.86 g of AgCl was obtained. The complex is :

PCC is :

In the following scheme of reaction,

X, Y and Z respectively are :

Which one of the following is a cationic detergent ?

The compound is

The female sex hormone which is responsible for the development of secondary female characteristics and participates in the control of menstrual cycle is:

In the reaction

‘Q’ is :

Biologically active adrenaline and ephedrine used to increase blood pressure contain :

But-1-yne on reaction with dil. \(H_2SO_4\) in presence of \(Hg^{2+}\) ions at 333 K gives :