Which type of bond exists in H₂O and HF but not in H₂S?

Which of the following is not an electrophile ?

Which one of the following statements is not correct for benzene?

Which of the following is a secondary pollutant?

Which one among the following pairs of compound and chemical formula is NOT correctly matched?

Match List-I (oxidation number) with List-II (the element) and select the correct answer using the codes given below the lists : List-I A. 2 B. 3 C. 4 D. 6 List-II 1. Oxidation number of Mn in MnO₂ 2…