Chemistry Test ...

The correct sequence which shows decreasing order of the ionic radii of the elements is

Electrolytes, when dissolved in water, dissociate into their constituent ions. The degree of dissociation of a weak electrolyte increases with

Which one of the following anions is not easily removed from aqueous solutions by precipitation

Which of the following is an important ore of iron :

A compound A on oxidation gave acetaldehyde, then again on oxidation gave acid. After first oxidation it was reacted with ammoniacal AgNO₃ then silver mirror was produced. A is likely to be

The statement which is incorrect with respect to transition metals is:

Among the following which one has weakest carbon-halogen bond?

At a certain temperature and 4 atm pressure equilibrium constant (k_p) is 25 for the reaction

${\text{SO}}_2\left(\text{g}\right)+{\text{NO}}_2\left(\text{g}\right)\rightleftharpoons {\text{SO}}_3\left(\text{g}\right)+\text{NO}\left(\text{g}\right)$

Initially if we take 2 moles of each of the four gases and 2 moles of inert gas, what would be the equilibrium partial pressure of SO₂ ?

For a 'd' - electron, the orbital angular momentum is :