List of top Chemistry Questions asked in KCET

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 :

Propanone and Propanal are :

Gold sol in not a :

Identify the incorrect statement from the following :

Select the correct statement :

The incorrect statement about Hall-Heroult process is :

The outer electronic structure of $3s^23p^5$ is possessed by