JEE Main c11kossellewisionic — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main c11kossellewisionic in the app →Per NCERT §4.1, the KOSSEL-LEWIS approach (1916) explains chemical bonding in terms of which fundamental idea?Per NCERT §4.1.1, the OCTET RULE states which of the following?Per NCERT §4.1.5, which of the following is an example of an INCOMPLETE octet of the central atom?Per NCERT §4.1.5, which examples illustrate an EXPANDED octet (more than 8 e⁻ around central atom)?Per NCERT §4.1.5 (odd-electron molecules), which species violates the octet rule because of an ODD electron coPer NCERT §4.1.4, the FORMAL CHARGE on an atom in a Lewis structure is given by which formula?Per NCERT §4.1.4, formal charges on the central O atom + terminal O atoms in OZONE (O₃) Lewis structure are whPer NCERT §4.2, IONIC bonds form most readily between elements with which combination of properties?Per NCERT §4.2.1, the LATTICE ENTHALPY of an ionic solid is defined as which quantity?Per NCERT §4.2, for NaCl formation: IE(Na) = +496 kJ/mol, ΔₑgH(Cl) = −349 kJ/mol — these alone are positive (+Per NCERT §4.3.2, the H-O-H BOND ANGLE in water molecule is which value?Per NCERT §4.3.4 (bond order), which trio of N₂, CO, and NO⁺ have which property in common — and why?