Lewis Structures and Formal Charge

JEE Main Chemistry · Chemical Bonding and Molecular Structure · 8 questions, latest first

• The pairs among A=[SO_3^2-, CO_3^2-], B=[O_2^2-, F_2], C=[CN^-, CO], D=[NH_3, H_3 O^+] and E=[MnO_4^2-, CrO_4^2-] that do not…20266 April, Shift 1 · Q54
• According to Lewis theory, the total number of σ bond-pairs and lone pair of electrons around the central atom of XeO_6^4- ion is…20264 April, Shift 1 · Q71
• Identify the molecule (X) with maximum number of lone pairs of electrons (obtained using Lewis dot structure) among HNO_3, H_2…202623 January, Shift 1 · Q53
• The formal charges on the atoms marked as (1) to (4) in the Lewis representation of HNO_3 molecule respectively are202622 January, Shift 1 · Q53
• Total number of non bonded electrons present in NO_2^- ion based on Lewis theory is ____.202529 January, Shift 2 · Q71
• In the lewis dot structure for NO_2^-, total number of valence electrons around nitrogen is ____.20245 April, Shift 1 · Q82
• The number of molecules from the following which contain only two lone pair of electrons is ____ H_2 O, N_2, CO, XeF_4, NH_3, NO,…202310 April, Shift 2 · Q82
• The total number of lone pairs of electrons on oxygen atoms of ozone is ____.202325 January, Shift 1 · Q52