CBSE Class 11 (Science) Atoms and Molecules — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 (Science) Atoms and Molecules in the app →According to VSEPR theory, the shape of a molecule is determined byThe hybridisation of carbon in methane (CH₄) isWhich molecule is non-polar despite having polar bonds?The bond order of the oxygen molecule O₂ (by molecular orbital theory) isA coordinate (dative) bond differs from a normal covalent bond in thatWhich species has sp hybridisation on the central atom?As bond order increases, bond lengthAn ionic bond forms byThe shape of NH₃ is pyramidal rather than planar becauseWhich has the highest dipole moment?Among the following, which is paramagnetic?Formal charge on an atom = As per your syllabus, the MODERN periodic law (post-Moseley 1913) states that properties of elements are a perAs per your syllabus, the IUPAC system numbers the groups in the modern table from which range, replacing the As per your syllabus, in IUPAC systematic nomenclature for Z > 100, what are the digit roots for 1, 2 and 0 reAs per your syllabus, the IUPAC systematic name + symbol for the element with atomic number 120 are which?As per your syllabus, the IUPAC OFFICIAL name + symbol for Z = 104 is which?As per your syllabus, the FIRST IONISATION ENTHALPY of an element X represents which process?As per your syllabus, the ELECTRON GAIN ENTHALPY ΔₑgH represents enthalpy change for which reaction?As per your syllabus, predicting the formula formed by SILICON (Group 14) and BROMINE (Group 17) gives which c