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KL Chugh Chemistry Class 11. We covered all the KL Chugh Chemistry Class 11 in this post for free so that you can practice well for the exam.
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KL Chugh Objective Chemistry Class 11 Students
Which diatomic halogen has the highest bond energy?
a) F₂
b) Cl₂
c) Br₂
d) I₂
Option b – Cl₂
Which reagent combination produces chlorine dioxide (ClO₂)?
a) Cl₂ + HgO →
b) Cl₂ + O₂ →
c) NaClO₃ + I₂ →
d) NaClO₃ + SO₃ + H₂SO₄ →
Option d – NaClO₃ + SO₃ + H₂SO₄ →
Which of the following is not an oxyacid of chlorine?
a) HCl
b) HClO₅
c) HClO₂
d) HClO₃
Option b – HClO₅
Which of the following orders is incorrect?
a) F₂ > Cl₂ > Br₂ > I₂ : Electronegativity
b) F₂ > Cl₂ > Br₂ > I₂ : Bond dissociation energy
c) F₂ > Cl₂ > Br₂ > I₂ : Oxidizing power
d) HI > HBr > HCl > HF : Acid strength in water
Option b – F₂ > Cl₂ > Br₂ > I₂ : Bond dissociation energy
Which statement is false?
a) Ni(CO)₄ is diamagnetic.
b) BiI₃ is a stronger Lewis Acid than BF₃.
c) Graphite conducts Electricity while diamond does not.
d) CCl₄ is easily hydrolyzed whereas BCl₃ is inert.
Option d – CCl₄ is easily hydrolyzed whereas BCl₃ is inert.
Why does fluorine not exhibit higher oxidation states like other halogens?
a) It is the most electronegative element.
b) It lacks d-orbitals.
c) It has the smallest atomic radius.
d) All of the above.
Option d – All of the above
The sequence HF < HCl < HBr < HI corresponds to which property?
a) Bond length
b) Thermal stability
c) Ionic character
d) Dipole moment
Option a – Bond length
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