List of top Questions asked in EAMCET

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.

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

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

A body of mass $m$ is tied to one end of a spring and whirled round in a horizontal plane with a constant angular velocity. The elongation in the spring is 1 cm. If the angular velocity is doubled, the elongation in the string is 5 cm. The original length of the spring is

A vector $Q$ has a magnitude of 8 is added to the vector $p$ which ties along the X-axis. The resultant of these two vectors is a third vector $R$ which lies along the Y-axis and has a magnitude twice that of $P$ The magnitude of $P$ is

Two circular loops A and B or radii $r_A$ and $ r_B$ respectively are made from a uniform wire. The ratio of their moments of inertia about axes passing through their centers and perpendicular to their planes is $\frac{I_B}{I_A}=8,\,then\,\left(\frac{r_B}{r_A}\right) $ equal to

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 ?

Which one of the following is an oxyacid ?

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

Aqueous sodium hydroxide reacts with white phosphorus to form phosphine and

The boiling points of the following hydrides follow the order of

The Lassaignes solution of an organic compound with nitrogen; sulphur and chlorine contains:

A vessel contains equal volumes of $ \text{S}{{\text{O}}_{\text{2}}} $ and $ \text{C}{{\text{H}}_{4}}. $ Through a small hole the gases effused into vacuum. After 200 seconds the total volume is reduced to half. What is the ratio of $ \text{S}{{\text{O}}_{\text{2}}} $ and $ \text{C}{{\text{H}}_{\text{4}}} $ remaining in the vessel?

Which of the following form of sulphur can be prepared by pouring liquid sulphur into cold water?

Metals having $ \text{n}{{\text{s}}^{\text{1}}} $ the valence electronic configuration: