List of top Chemistry Questions

$MgSO_4$ on reaction with $NH_4 OH $ and $ Na_2 HPO_4$ forms a white crystalline precipitate. What is its formula?

Which of the following have highest electron affinity?

Which of the following will show geometrical isomerism?

Which one of the following contain isopropyl group?

Which of the following electronic configuration represents noble gas?

Which of the following amino acid is optically inactive?

When calcium acetate is distilled, it will produce which of the following compound?

What is the formula of bleaching powder?

Hardness of water is due to presence of salts of:

In Williamsons synthesis, ethoxyethane is prepared by:

Which of the following is not a property of liquid state?

What amount of $Cl_{2}$ gas liberated at anode, if $1$ ampere current is passed for $30$ minute from $NaCl$ solution?

The geometry of $ Ni(CO)_{4}$ and $ Ni(PPh_{3})_{2}Cl_{2}$ are:

Certain crystals produce electric signals on application of pressure. This phenomenon is called:

The mass of glucose that should be dissolved in $50\, g$ of water in order to produce the same lowering of vapour pressure as is produced by dissolving $1\, g$ of urea in the same quantity of water is

The decomposition of a certain mass of $CaCO_3$ gave $11.2\, dm^3$ of $CO_2$ gas at $STP$. The mass of $KOH$ required to completely neutralise the gas is

The brown ring test for nitrates depends on

Glucose contains in addition to aldehyde group

An example for autocatalysis is

Liquor ammonia bottles are opened only after cooling. This is because

Which of the following silver salts is insoluble in water ?

Among the following sets of quantum numbers. Which one is incorrect for $4d$ electron ?

Milk of magnesia is used as:

Charles' law is represented mathematically as :

Dinitrogen pentoxide $(N_2O_5)$, a colourless solid, is prepared by :