List of practice Questions

The locus of the mid-points of the chords of the circle $x^2 + y^2 + 2x - 2y - 2 = 0$ which make an angle of $90�$ at the centre is

What is the actual volume occupied by water molecules present in $20 \, cm^3$ of water ?

Aldehydes or ketones when treated with $\ce{C_6H_5 - NH - NH_2}$, the product formed is

Solubility of which among the following solids in water changes slightly with temperature ?

Identify the weakest oxidising agent among the following.

Which among the following compounds does not act as a reducing agent ?

In assigning $R-S$ configuration which among the following groups has highest priority ?

The amino acid which is basic in nature is

The colour and magnetic nature of manganate ion $(MnO^{2-}_4)$ is

The molality of solution containing $15.20\, g$ of urea, (molar mass = $60$) dissolved in $150 \,g$ of water is

The osmotic pressure of solution containing $34.2 \,g$ of cane sugar (molar mass = $342 \, g \, mol^{-1}$) in 1L of solution at $20^{\circ} C$ is (Given, $R = 0.082 \, L \, atm \, K^{-1} \, mol^{-1}$)

Which among the following reactions is an example of pseudo first order reaction ?

$XeF_6$ on partial hydrolysis with water produces a compound $'X'$. The same compound $'X'$ is formed when $XeF_6$ reacts with silica. The compound $'X'$ is :

Two long parallel wires separated by $0.1\, m$ carry currents of $1\, A$ and $2\, A$ respectively in opposite directions. A third current-carrying wire parallel to both of them is placed in the same plane such that it feels no net magnetic force. It is placed at a distance of

A liquid of bulk modulus $k$ is compressed by applying an external pressure such that its density increases by $0.01\%$. The pressure applied on the liquid is

Temperature of an ideal gas, initially at $27^{\circ}$C, is raised by $6^{\circ}$C. The rms velocity of the gas molecules will,

How many faradays are required to reduce $1\, mol$ of $Cr_{2} O_{7}^{2-}$ to $Cr^{3+}$ in acid medium?

The value of $I$ in the figure shown below is

By passing electric current, \(NaClO_3\) is converted into \(NaClO_4\) according to the following equation \(Na ClO_3 + H_2 O \rightarrow NaClO_4 + H_2\) How many moles of \(NaClO_4\) will be formed when three Faradays of charge is passed through \(NaClO_3\) ?

Square planar complexes of the type $M_{ABXL}$ (where $A, B, X$ and $L$ are unidentate ligands) shows following set of isomers

Let $\vec{a}, \vec{b}$ & $\vec{c}$ be non-coplanar unit vectors equally inclined to one another at an acute angle $\theta$. Then $| [ \vec{a} \; \vec{b} \; \vec{c}] |$ in terms of $\theta$ is equal to

The value of $cos^2 \, 45^{\circ} - sin^2 \, 15^{\circ}$ is

Which of the following compounds will exhibit geometrical isomerism?

A ball impinges directly on a similar ball at rest. The first ball is brought to rest by the impact. If half of the kinetic energy is lost by impact, the value of coefficient of restitution is