List of top Questions asked in VITEEE

Sky wave propagation is used in

The effective atomic number of cobalt in the complex $[Co(NH_3)_6]^{3+}$ is

In a magnetic field of $0.05\, T,$ area of a coil changes from $101\, cm^2$ to $100\, cm^2$ without changing the resistance which is $2\,\Omega$. The amount of charge that flow during this period is

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be $6.35 ? 10^{-19}\, C$. The number of excess electrons on the drop is

On moving a charge of $20\, C$ by $2\, cm, 2\, J$ of work is done, then the potential difference between the points is

Sometimes explosion occurs while distilling ethers. It is due to the presence of

The alcohol having molecular formula $C_4H_9OH$, when shaken with a mixture of anhydrous $ZnCl_2$ and conc. $HCl$ gives an oily layer product after five minutes. The alcohol is

For the reaction, $C _{3} H _{8}( g )+5 O _{2}( g ) \longrightarrow 3 CO _{2}( g )+4 H _{2} O ( l )$ at constant temperature, $\Delta H-\Delta E$ is

If one $AM 'A'$ and two $GM$ $p$ and $q$ are inserted between two given numbers, then find the value of $\frac{p^{2}}{q}+\frac{q^{2}}{p}$

If the roots of the equation $x^2 + ax + b = 0$ are $c$ and $d$, then one of the roots of the equation $x^{2}+\left(2c+a\right)x+c^{2}+ac+b=0$ is

The number of ways of painting the faces of a cube of six different colours is

Frenkel defect is generally observed in

Most crystals show good cleavage because their atoms, ions or molecules are

Which of the following compounds is not coloured?

Domain of the function $f (x) = \log_x \; \cos \; x$, is

Zener diode is used for

An arc of radius $r$ carries charge. The linear density of charge is $\lambda$ and the arc subtends an angle $\frac{\pi}{3}$ at the centre. What is electric potential at the centre?

Figure shows a straight wire length $l$ carrying current $i$. The magnitude of magnetic field produced by the current at point $P$ is.

Nitrobenzene can be converted into azobenzene by reduction with

On treatment of propanone with dilute $Ba(OH)_2$, the product formed is

For what values of m can the expression $2x^2 + mxy + 3y^2 - 5y - 2$ be expressed as the product of two linear factors

Enthalpy of a compound is equal to its

There are a $25\, W -220\, V$ bulb and a $100\, W-220\, V$ line. Which electric bulb will glow more brightly?

Which of the following is a Gattermann aldehyde synthesis?