List of top Questions asked in KCET

$\alpha$-D-(+)-glucose and $\beta$-D-(+)-glucose are:

Biologically active adrenaline and ephedrine used to increase blood pressure contain

The female sex hormone responsible for developing secondary female characteristics and menstrual cycle control is:

Propanone and Propanal are:

PCC 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:

The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:

MnO exhibits:

But-1-yne on reaction with dilute H2​SO4​ in the presence of Hg2+ ions at 333K gives:

In the following scheme of reaction.

X, Y and Z respectively are:

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

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:

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

Which one of the following does not represent the Arrhenius equation?

From the diagram

\( \Delta H \) for the reaction C → A is:

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:

$NO_2$ gas is :

In the reaction: \(\text{Aniline} \xrightarrow{\text{NaNO}_2/\text{dil. HCl}} P \xrightarrow{\text{Phenol/NaOH}} Q\)

In the analysis of III group basic radicals of salts, the purpose of adding NH₄Cl (solid) to NH₄OH is:

A motor-cyclist moving towards a huge cliff with a speed of 18 km/h, blows a horn of source frequency 325 Hz. If the speed of the sound in air is 330 m/s, the number of beats heard by him is

One mole of an ideal monatomic gas is taken round the cyclic process \( MNOM \). The work done by the gas is