List of top Chemistry Questions

Which of the following is incorrect for electrophilic substitution?
Which of the following is an alloy of iron?
The increasing order of reducing power of the halogen acids is
Which of the following is amphoteric?
Which of the following do not show geometrical isomerism? (Assume all ligands are unidentate)
The name of [Co(NH$_2$)$_3$](NO$_2$)$_3$ is
What was the term proposed by Werner for the number of groups bound directly to the metal ion in a coordination complex?
Which of the following complexes shows zero crystal field stabilization energy?
The shape and hybridisation in BF$_3$ is
Alkali metals are strongly
The relative Lewis acid strengths of boron trihalides are in the
How many types of oxides do Carbon family form?
Which of the following is correct regarding repulsive interaction?
Which of the following species have maximum number of unpaired electrons?
The attributes of corresponding elements are the periodic functions of the
The correct order of the first ionization potentials among the following elements: Be, B, C, N, O is
The efficiency of packing is 68% in
Which theory best suits for homogeneous catalysis?
Which of the following molecule doesn't involve covalent bond?
According to Freundlich adsorption isotherm, which of the following is correct?
Schottky defect in a crystal is observed when
Choose the correct order of molar ionic conductivities of the following ions.
The standard oxidation potential of Ni/Ni$^{2+}$ electrode is 0.3 V. If this is combined with a hydrogen electrode in acid solution, at what pH of the solution will the measured e.m.f. be zero at 25°C? (Assume $[Ni^{2+}] = 1M$)
What is the EMF of a galvanic cell if $ E^\circ_{\text{cathode}} = 0.80 \, \text{volts} $ and $ E^\circ_{\text{anode}} = -0.76 \, \text{volts}?$
The role of diffusion of gases is governed by