Average C-H bond energy is 416 kJ. mol-1. Which of the following is correct ?
The pH of a solution of H2O2 is 6.0, Some chlorine gas is bubbled into this solution. Which of the following is correct
Which of the following is an endothermic reaction ?
Observe the following statements :I. The physical and chemical properties of elements are periodic functions of their electronic configuration.II. Electronegativity of fluorine is less than the electronegativity of chlorine.III. Electropositive nature decreases from top to bottom in a group.The correct answer is :
CH2=CH2+HCl→CH3CH2Cl is an example for
While phosphorus form PCl5, nitrogen does not form NCl5 because
Which of the following is not correct