List of practice Questions

Which type of drugs come under anti-microbial drugs?

Alkali metals readily dissolve in liquid ammonia to give blue coloured solutions. The blue colour is believed to be due to

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon-6, 6, buna-S, polythene, neoprene

In adiabatic conditions, 2 mole of \(CO_2\)gas at 300 K is expanded such that its volume becomes 27 times. Then, the work done is
(\(C_v=6 \ cal\ mol^-\) and \(γ = 1.33\))

The compounds and are distinguished by

Which of the following is not a surfactant?

Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due to

For the electrochemical cell, \(Ag^-|AgCI|KCI ||AgNO_3|Ag^+\), the overall cell reaction is

If \(E°(Zn^{2+},Zn)=-0.763\ V\) and \(E°(Fe^{2+},Fe)=-0.44\ V\), then the emf of the cell \(Zn/Zn^{2+}(a=0.001)||Fe^{2+}(a=0.005) Fe\) is

In the reversible reaction, \(2NO_2⇋ N_2O_4\) the rate of disappearance of \(NO_2\) is equal to

The IUPAC name of the following compound is

The van't Hoff factor for \(0.1\ M \ Ba(NO_3)_2\), solution is \(2.74\). The degree of dissociation is

Which one of the following electrolytes has the same value of van't Hoff factor \((i)\) as that of \(K_4[Fe(CN)_6]\) ?

A compound, containing only carbon, hydrogen and oxygen has a molecular weight of 44. On complete oxidation, it is converted into a compound of molecular weight is 60. The original compound is

For the dot structure shown, the most likely elements X = ____ and Y = ____ are

In Kjeldahl's method, the nitrogen present in an organic compound is quantitatively converted into

Number of photons emitted by a 100 W (Js^-1) yellow lamp in 1.0 s is
(λ of yellow light is 560 nm)

Valence electrons in the element \(X\) are 3 and that in element \(Y\) is 6. Most probable compound formed from \(X\) and \(Y\) is

An atom forms face centered cubic crystal with density d=8.92 g/mL and edge length a=3.6×10^-8 cm. The molecular mass of atom in amu is

Conversion of oxygen into ozone is non-spontaneous at

If \(Na^+\) ion is larger than \(Mg^{2+}\) ions and \(S^{2-}\) ion is larger than \(Cl^-\) ion, which of the following will be stable salt in water ?

In a crystalline sold, having formula \(XY_2O_4\), oxide ions are arranged in cubic close packed lattice while cations \(X\) are present is tetrahedral voids and cations \(Y\) are present in octahedral voids. The percentage of tetrahedral voids occupied by \(X\) is

Product P is :

Which of the following is correct statement?

Among the following, the non-aromatic heterocyclic compound is