List of practice Questions

In Cannizzaro's reaction, the intermediate which is the best hydride donor is
How many optically active stereoisomers are possible for butane-2, 3-diol ?
The standard reduction potentials of $Cu^{2+} / Cu $ and $Cu^{2+} / Cu^+$ are 0.337 V and 0.153 V respectively. The standard electrode potential of $Cu^+ /Cu$ half-cell is
When cyclohexane is poured on water, it floats because
Which of the following compounds is expected to be coloured?
Ammonium dichromate is used in some fireworks. The green coloured powder blown in the air is
A proton, a deuteron and alpha particle having the same kinetic energy are moving in circular trajectories in a constant magnetic field. $r_p, r_d $ and $r_{\alpha}$ denote respectively the radii of the trajectories of these particles, then
A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origin. Its angular momentum with respect to the origin
A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer (in Hz) is (Speed of sound = 330 m/s) .
Which of the following is not a water soluble vitamin?
Which of the following is not a periodic property?
What is the product when, phenol reacts with diazomethane?
What is the normality of 0.30 M $ {{H}_{3}}P{{O}_{4}} $ (a tribasic acid) in the following reaction? $ {{H}_{3}}P{{O}_{4}}+2O{{H}^{-}}\xrightarrow{{}}HPO_{4}^{--}+2{{H}_{2}}O $
The Tyndall effect, associated with colloidal particle is due to:
The iron-carbonate ore is:
The inversion temperature for a van der Waals gas is given by:
The compound with the smell of peppermint, is:
The chemical name for grain alcohol is:
The breaking stress of a wire of length $ l $ and radius r is $ 5\,\,kg\,\,wt/{{m}^{2}} $ . The wire of length $ 2l $ and radius 2r of the same material will have breaking stress in $ (kwt/{{m}^{2}}) $ :
The alloy of copper, which does not contain zinc is:
Ratio of radius of atom to that of nucleus is of the order of:
If the over bridge is concave instead of being convex. The thrust on the road at the highest position will be :
Heavy water is obtained:
Each of the numerous tiny apertures on the body of sponge is known as:
Conversion of n-hexane to benzene, in the presence of chromic acid, is called: