List of top Chemistry Questions asked in EAMCET

What is the formula of calgon?

The chemical formula of zeolite is

What is the number of free electrons present on each carbon atom in graphite?

$ \text{O}_{2}^{2-} $ is the symbol of...... ion.

Which one of the following expressions represent the electron probability function ?

The noble gas used in atomic reactors is:

Which one of the following compounds forms a red coloured solution on treatment with neutral $ \text{FeC}{{\text{l}}_{\text{3}}} $ solution ?

In acidic medium, dichromate ion oxidises ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is 294 g, its gram equivalent weight is ...... g.

An alkaline solution of...... and citrate ions is called:

Which one of the following reagents will reduce diethyl ether to ethane and ethanol?

How many 'd' electrons are present in $Cr^{2+}$ ion ?

The coordination number of Fe(II) in oxyhaemoglobin is

One mole of fluorine is reacted with two moles of hot and concentrated KOH. The products formed are KF, $H_2O$ and $O_2$ The molar ratio of KF, $H_2O$ and $O_2$ respectively is

Which one of the following is a diamagnetic ion ?

How many moles of acidified $FeSO_4$ solution canbe completely oxidised by one mole of $KMnO_4$ ?

In the presence of cobalt chloride $(CoCl_2)$,bleaching powder decomposes to form....

Sodium hexametaphosphate is known as

Bond dissociation energies of HF, HCl,HBr follow the order..

What is the atomic number (Z) of the noble gasthat reacts with fluorine ?

Which one of the following halogen liberates oxygen, when passed through hot concentrated KOH solution ?

The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in the 'N' shell ?

Aqueous sodium hydroxide reacts with white phosphorus to form phosphine and

Which one of the following is an oxyacid ?

In the ground state, an element has 13 electrons in its ''M shell''. The element is

The boiling points of the following hydrides follow the order of