List of top Chemistry Questions

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
Hydro-metallurgical process of extraction of metals is based on
Hydration enthalpy order of compound : $ {Li^{+} , Na^{+}, K^{+}, Rb^{+}}$ and $ {Cs^{+}}$
Hydration of acetylene to ethanal is catalysed by
Hybrid state of central oxygen atom in ether is
Hybridisation involves
Hybridisation of central atom in NF$_3$ is
How many structures are possible for $C_5H_8$ with one triple bond?
How many layers are adsorbed in chemical adsorption ?
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 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 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 many $ {Cl^{-}}$ ions are there around $ {Na^{+}}$ ion in $NaCl$ crystal ?
How long 2 ampere of current is passed to supply 72000 C of charge ?
How does the ionization energy of 1st group elements vary ?
How do we separate two sulphide ores by froth floatation method?
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?
Holme?? signal uses chemical compound
Hofmann bromamide degradation reaction is shown by_____________ .
Highest oxidation state of manganese in fluorides is $+4 (MnF_4)$ but highest oxidation state in oxides is $+7 (Mn_2O_7)$ because
Higher concentration of nitrogen dioxide in atmospheric air causes