List of top Chemistry Questions asked in KCET

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

In the given sequence of reactions, identify ‘P’, ‘Q’ and ‘S’ respectively:

Biologically active adrenaline and ephedrine used to increase blood pressure contain

$NO_2$ gas is :

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

The incorrect statement about the Hall-Heroult process is:

8.8 g of monohydric alcohol reacts with ethyl magnesium iodide, releasing 2240 $cm^3$ of ethane at STP. This monohydric alcohol forms a carbonyl compound that answers Tollen’s test. The alcohol is:

PCC is:

A pair of isoelectronic species having a bond order of one is:

Identify the incorrect statement from the following:

Gold sol is not a:

A haloalkane undergoes $S_{N^2}$ or $S_{N^1}$ reaction depending on:

Which of the following statements related to lanthanoids is incorrect?

In the following scheme of reaction.

X, Y and Z respectively are:

Select the correct statement:

Sodium ethanoate on heating with soda lime gives ‘X’. Electrolysis of aqueous solution of sodium ethanoate gives ‘Y’. ‘X’ and ‘Y’ respectively are:

Propanone and Propanal are:

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

On treating 100 mL 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:

The reducing agent in the given equations :
\(4\ Ag_{(s)}+8\ CN_{(aq)}^-+2H_2O_{(aq)}+O_{2_{(g)}}\rightarrow4[Ag(CN)_2]_{(aq)}^-+4\ OH_{(aq)}^-\)
\(2[Ag(CN)_2]_{(aq)}^-+Zn_{(s)}\rightarrow[Zn(CN)_4]_{(aq)}^{2-}+2Ag_{(s)}\)

A pair of compounds having the same boiling points are

The heating of phenyl methyl ether with HI produces an aromatic compound A which on treatment with con. HNO₃ gives B. A and B respectively are,

Temperature of 25 ºC in Fahrenheit and Kelvin scale respectively are

In which one of the following pairs, both the elements does not have (n-1)d¹⁰ns² configuration in its elementary state?