Which of the following is covelent in nature `(X=Cl,Br,I)`

Which one of the following is most electronegative? F Cl Br I

Which of the following covelent network solids is referred to as pencil lead?

Which one of the following is least reactive element? F Cl Br I

Which of the following is arranged in increasing order of ionic mobility of ions in their aqueous solutions? (A) \(I^{-} (B) \(F^{-} (C) \(F^{-} (D) \(F^{-} < Cl^{-} < I^{-} < Br^{-}\)

Which of the following options are true (T) and which are false (F) ? (i) Ionic mobility is the highest for I^- in water as compared to other halides (ii) Stability order is: Cl_3^(-) gt Br_3^(-) gt I_3^(-) (iii) Reactivity order is: F lt Cl lt Br lt I ( iv) Oxidizing power order is: F_2 lt Cl_2 lt Br_2 lt I_2

Which of the following element has maximum electron gain enthapy(negative)? F , Cl , Br , I .

Which of the following bonds is the strongest? F-F , Cl-Cl , I-I , Br-Br .

Which of the following arrangements shows the correct order of electron affinity of the four halogen atoms I,Cl,Br,F?