List of top Chemistry Questions

If uncertainty in position and momentum are equal, then uncertainty in velocity is
Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the $ H^+ $ ion concentration in the mixture?
The structure of the compound formed, when nitrobenzene is reduced by lithium aluminum hydride \((LiAlH_4)\) is
The maximum number of molecules is present in
Difference between $S$ and $ S^{2-} $ as $ S^{2-}$ has
The major product $P$ in the following reaction is $ C{{H}_{3}}-CH=C{{H}_{2}}\xrightarrow[Peroxide]{HI}P $
Alkyl cyanides undergo Stephen reduction to produce
In the reaction, $ {PCl_{3(g)} + Cl_{2(g)} <=> PCl_{5(g)}}$ at equilibrium
Helium is used in balloons in place of hydrogen because it is
An octahedral complex is formed when hybrid orbitals of the following type are involved
Galvanic cell is a device in which
Of two oxides of iron, the first contained $22\%$ and the second contained $30\%$ of oxygen by weight. The ratio of weights of iron in the two oxides that combine with the same weight of oxygen, is
Identify the pair of gases that have equal rates of diffusion
In case of condensation of polymers
Which one of the following is a non-polar molecule?
The anomeric carbon in $D(+)$ glucose is
Which one of the following metals is extracted by a carbon reduction process?
Picric acid is a stronger acid than acetic acid and benzoic acid. It contains
Nitration of nitrobenzene at $ 125^{\circ} C $ with mixed acids gives
The products obtained when anisole is heated in a sealed tube with $HI$ are
The metallurgical process in which a metal is obtained in a fused state is called
IUPAC name of $CH _{3}- \underset{\overset{|}{Cl}}{C}H - CH _{2}- CHO$ is $Cl$
Electron density in the $y z$-plane of $3 d_{x^{2}-y^{2}}$ orbital is
Which of the following alkenes gives only acetaldehyde on ozonolysis?
$Di$-chloroacetic acid is a stronger acid than acetic acid. This is due to occurrence of