List of top Questions asked in KCET- 2001

Which of the following compounds on boiling with $KMnO_4 $(alk.) and subsequent acidification will not give benzoic acid ?

Grignard reagent is not prepared in aqueous medium but it is prepared in ether medium because

A sine wave has an amplitude A and wavelength $\lambda$ . Let V be the wave velocity and maximum velocity of a particle in the medium. Then

Phenol is treated with bromine water and shaken well to get white precipitate. The white precipitate is

The magnetic fields at two points on the axis of a circular coil at distance of 0.05 m and 0.2 m from the centre are in the ratio 8 :1 . The radius of the coil is

During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio $C_p / C_v$ for the gas is

A balloon rises from ground with an acceleration of $1.25\, m s^{-2}$. After $8s$ a stone is released from balloon. The stone will

A $20 \,cm$ length of a certain solution causes right-handed rotation of $38^\circ$. A $30\, cm$ length of another solution causes left-handed rotation of $24^\circ$. The optical rotation caused by $30\, cm$ length of a mixture of the above solutions in the volume ratio $1 : 2$ is

An electron in hydrogen atom makes a transition $n_1 \rightarrow n_2$ where $n_1$, and $n_2$ are principal quantum numbers of the two states. Assuming Bohr?? model to be valid, the time period of the electron in the initial state is eight times that in the final state. The possible

$P_4O_{10}$ is not used to dry $NH_3$ gas because

The quantity of electricity required to liberate $112\,cc$ of hydrogen at STP from acidified water is

A milliammeter of range 10 mA has a coil of resistance $1\Omega$. To use it as a voltmeter of range 10 V, the resistance that must be connected in series with it is

While a capacitor remains connected to a battery, a dielectric slab is slipped between the plates.

If white light is used in Young's double-slit experiment,

The resultant of two forces $3\,P$ and $2\,P$ is $R$. If the first force is doubled, then the resultant is also doubled. The angle between the two forces is

Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution ?

In the circuit shown in figure, neglecting source resistance, the voltmeter and ammeter readings will respectively be

At what temperature will the r.m.s. velocity of $SO_2$ be the same as that of $O_2$ at 303 K ?

In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum

Hydrogen ion concentration of an aqueous solutionis $1 \times 10^{-4} M$. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol $dm^{-3}$ is

A projectile is moving at $20\,m\,s^{-1}$ at its highest point, where it breaks into two equal parts due to an internal explosion. One part moves vertically up at $30\,m\,s^{-1}$ with respect to the ground. Then the other part will move at

ABCD is a square loop made of an uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is

The unpleasant smell of carbylamine is obtained when chloroform and alcoholic KOH are heated with

For certain first order reaction m, 75% of the reaction complete in 30 min. How much time it require to complete 99.9% of the reaction?

Which one of the following can be classified as a Bronsted base ?