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
Bond energy is highest for which of the following?
(A) F2
(B) Cl₂
(C) Br2
(D) I2
Option b – Cl₂
Which of the following reagent produce ClO₂?
(A) Cl₂ + HgO ->
(B) Cl2 + 02 ->
(C) NaClO3 + I₂ ->
(D) NaClO3 + SO3 + H₂SO4 ->
Option d – NaClO3 + SO3 + H₂SO4 ->
Which of the following is not an oxyacid of chlorine?
(A) HCI
(B) HCIO5
(C) HCIO₂
(D) HClO3
Option b – HClO5
Which one of the following orders is not proper?
(A) F2 > Cl₂ > Br2 > 12 : Electronegativity
(B) F2 > Cl₂ > Br2 > 12 : Bond dissociation energy
(C) F₂ > Cl₂ > Br2 > 12 : Oxidising power
(D) HI > HBr > HCI > HF : Acidic property in water
Option b – F2 > Cl₂ > Br2 > 12 : Bond dissociation energy
Which statement is not true?
(A) Ni(CO)4 is diamagnetic.
(B) Bl3 is strong Lewis acid than BF3.
(C) Graphite conducts electricity whereas diamond does not.
(D) CCl4 is hydrolyzed whereas BCl3 is inert.
Option d – CCl4 is hydrolyzed whereas BCl3 is inert
Unlike other halogens, fluorine does not show higher oxidation states because
(A) It is most electronegative.
(B) It has no d-orbital.
(C) The atomic radius is the smallest.
(D) All of the above.
Option d – All of the above
The order of HF <HCI < HBr < HI corresponds to which of the following properties?
(A) Bond length
(B) Thermal stability
(C) Ionic character
(D) Dipole moment
Option a – Bond length
We covered all the kl chugh chemistry class 11 above in this post for free so that you can practice well for the exam.
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