List of top Chemistry Questions

What is the heat of solution of sodium chloride from following data? Hydration energy of $Na^+ = - 389.4\, kJ\, mol^{-1}$ Hydration energy of $Cl^- = - 382.3\, kJ\, mol^{-1}$ Lattice energy of $NaCl = - 776 \,kJ \,mol^{-1}$
What is the formal charge on carbon atom in the following two structure:
What is the electrode potential of $Fe^{3+}/ Fe$ electrode in which concentration of $Fe^{3+}$ ions is 0.1 M. Given $E^\circ Fe^{3+}/Fe = + 0.771 V$
What is the effect of Frenkel defect on the density of ionic solids?
What is the decreasing order of strength of the bases? $OH^{-},NH_2^-,H-C \equiv C^- \, and \, CH_3-CH_2^- $
What is the correct order of decreasing bond angle?
What is the basic formula for starch?
What is the co-ordination number of $Cl^-$ in $NaCl$ crystal ?
What is the coordination number of sodium in $Na_2O$ ?
What is obtained when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?
What is hybridization of P in $PCl_5$ ?
What is not applicable to $TeCl_4$ ?
What is denticity of ligand for transition and innertransition element -
What is formed when calcium carbide reacts with heavy water
What is anode mud?
What is common between the following molecules: $SO_{3}, CO_{3}^{2-}, NO_{3}^{-}$?
What do you mean by degenerate orbitals
What does the negative electronic energy (negative sign for all values of energy) for hydrogen atom means?
What current is to be passed for 0.25 s for deposition of a certain weight of metal is equal to its electro-chemical equivalent ?
What are the products formed when $Li_2CO_3$ undergoes decomposition?
Wave mechanical model of the atom depends upon
Water is often treated with chlorine to
Volume strength of $ {H2O2}$ is 11.2. Calculate strength in g/L.
Volatile nature of halogens is because
Vitamin $B_6$ is known as