22 What is the formal charge on nitrogen atom in the

Last updated: 5/7/2023

22 What is the formal charge on nitrogen atom in the following molecule 3 Marks a 2 c 2 a NaBr HC b 3 d none of these 23 Which of the following molecule has highest second ionization energy 3 Marks a Al b Mg c Ca d K 24 Which of the following compounds NaBr KBr MgBr has the largest lattice energy 5 Marks O c MgBr b KBr d all have equal lattice energy 25 A gas at a pressure of 10 Pa exerts how much force on an area of 2 5 m 5 Marks a 25 N b 10 N C1