AB, CD, EF are three compounds having electronegativity difference between the atoms are 1.8, 1.5 and 0.1 respectival.Which one is more polar and which one is more covalent?

Between NH_3 and PH_3 which one is more basic ?

The electronegativity values of C, H, O, N and S are 2.5, 2.1, 3.5, 3.0 and 2.5 respectively. Which of the following bonds is most polar?

Between phenol and Phenoxide ion, which one is more stable?

Between phenol and o- nitrophenol which one is more acidic?

For a diatomic molecule AB, the electronegativity difference between A and B= 0.2028 sqrt triangle where triangle =[Bond energy of AB- Geometric mean of the bond energies of A_2 and B_2]. The electonegativities of fluorine and chlorine are 4.0 and 3.0 respectively and the bond energies are of F-F : 38 kcal mol^-1 and Cl-Cl : 58 kcal mol^-1 . The bond energy of Cl-F is:

The rate constant is numerically same for three reactions of 1st, 2nd and 3rd order respectively. If conc, of the reactant is more than 1M, which one is true for the rates of the three reactions ?

Between one gram of water and one gram of methanol which has more number of molecule ?

Between one gram of water and one gram of methanol which has more number of molecule ?