List of top Chemistry Questions

Identify the type of polymer. $ (i) ? $(ii) ?? ?
Identify the incorrect statement with respect to ozone
Identify the compound $'Y'$ in the following reaction.
Identify disproportionation reaction.
Hypo is used in photography because it is
Hydrolysis of benzonitrile gives
Hydrolith when dissolved in water liberates hydrogen. The formula of hydrolith is
Hydrogen fluoride is a liquid unlike other hydrogen halides because
Hydration of acetylene to ethanal is catalysed by
Hydro-metallurgical process of extraction of metals is based on
Hydration enthalpy order of compound : $ {Li^{+} , Na^{+}, K^{+}, Rb^{+}}$ and $ {Cs^{+}}$
Hybridisation involves
Hybridisation of central atom in NF$_3$ is
Hybrid state of central oxygen atom in ether is
How many structures are possible for $C_5H_8$ with one triple bond?
How many lithium atoms are present in a unit cell with edge length $3.5$ $?$ and density $0.53\,g\,cm^{-3}$ ? (Atomic mass of $Li = 6.94$)
How many layers are adsorbed in chemical adsorption ?
How many electrons in $_{19}K$ have $n = 3 ; l = 0$?
How many electrons in copper atom $(_{29}Cu)$ have $(n + l) = 4$
How many electrons are involved in oxidation by $KMnO_4$ in basic medium ?
How many $ {Cl^{-}}$ ions are there around $ {Na^{+}}$ ion in $NaCl$ crystal ?
How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of $AgNO_3$ for half an hour during an electrolys is experiment ?
How long 2 ampere of current is passed to supply 72000 C of charge ?
How does the ionization energy of 1st group elements vary ?
Hot conc. $H_2SO_4$ acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised by cone. $H_2SO_4$ into two gaseous products?