List of practice Questions

Which of the following compounds has least boiling point?
The system that forms maximum boiling azeotrope is
Which one of the following is a non-benzenoid aromatic compound?
The titanium (atomic number 22) compound that does not exist is
If the energies of the two photons are in the ratio of $3 : 2$, their wavelengths will be in the ratio of
The IUPAC name of the complex $[Co (NH_3)_4 Cl_2 ]Cl$ is
The spin only magnetic moment of $Fe^{2+}$ ion $(in\, B.M.)$ is approximately
In Argand's plane, the point corresponding to $\frac {(1-i\sqrt {3})(1+i)} {(\sqrt {3}+i)}$ lies in
The correct order of acid strength of the following compounds: 
(A) Phenol\(\quad\) 
(B) p-Cresol \(\quad\)
(C) m-Nitrophenol \(\quad\)
(D) p-Nitrophenol is :
A plano-concave lens is made of glass of refractive index $1.5$ and the radius of curvature of its curved face is $100 \,cm$. What is the power of the lens?
An object weights $m_1$, in a liquid of density $d_1$ and that in liquid of density $d_2\,$ is $\, m_2.$ The density $d$ of the object is
Hybridization of $C_2$ and $C_3$ of $H_3C - CH = C = CH - CH_3$ are
If the Earth were to suddenly contract to $\frac{1}{n}$ th of its present radius without any change in its mass, the duration of the new day will be nearly
If $ I_{1}=\int_{0}^{\frac{\pi}{2}} f (sin \,2x)sin \,xdx $ and $ I_2 = \int^{\pi/4}_{0}\,f(cos2x) cosx \,dx\,then\, I_1/I_2 $ =
Among the following compounds, the most acidic is
Find the number of stereoisomers of 1,2-dihydroxy cyclopentane.
An SHM is given by $y = 5 [\sin (3 \pi t) + \sqrt{3} \cos (3 \pi t)] $ What is the amplitude of the motion of $y$ in metre?
: Both Grignard reagent and dialkyl cadmium react with acid chlorides to form tert-alcohols. : Grignard reagents are as reactive as dialkyl cadmium.
$ \int\limits_0^{\pi /8} \tan^2 (2x) dx = $
The feature of the xerophytic plant leaves is (I) Leathery surface (II) Large surface area (III) Waxy cuticle (IV) Sunken stomata on upper epidermis
A circular disc is to be made by using iron and aluminium, so that it aquires momentum of inertia about its geometrical axis. It is possible with
A particle is moving with a constant speed $v$ in a circle. What is the magnitude of average velocity after half rotation ?
A material has Poisson?s ratio $0.50$. If a uniform rod of it suffers a longitudinal strain of $2 ? 10^{-3}$, then the percentage change in volume is
Four charges equal to $-Q$ are placed at the four corners of a square and a charge $q$ is at its centre. lf the system is in equilibrium, the value of $q$ is
Which of the following graphs represents the gravitational field intensity due to solid sphere of radius $ R $ ?