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MCQs

Total Questions : 350 | Page 33 of 35 pages
Question 321. Hydrogen chloride (HCl(g)) or hydrochloric acid (HCl(aq)) is an example of
  1.    Ionic bond
  2.    Covalent bond
  3.    Metallic bond
  4.    Co-ordinate bond
 Discuss Question
Answer: Option B. -> Covalent bond
Answer: (b).Covalent bond
Question 322. The electronegativity of Bromine (B) is
  1.    3.04
  2.    3.55
  3.    2.96
  4.    2.2
 Discuss Question
Answer: Option C. -> 2.96
Answer: (c).2.96
Question 323. After Fluorine (F₂), a halogen that has the higher electronegativity is
  1.    I
  2.    F
  3.    Br
  4.    Cl
 Discuss Question
Answer: Option D. -> Cl
Answer: (d).Cl
Question 324. As electrons acceptors, strongest halogen is
  1.    F
  2.    Cl
  3.    Br
  4.    I
 Discuss Question
Answer: Option A. -> F
Answer: (a).F
Question 325. Fluorine (F₂) can be stored in containers of
  1.    glass
  2.    metals
  3.    both of these
  4.    none of above
 Discuss Question
Answer: Option D. -> none of above
Answer: (d).none of above
Question 326. In a sample of a substance, at any given temperature the energy of all particles will
  1.    not be same
  2.    be same
  3.    equal
  4.    constant
 Discuss Question
Answer: Option A. -> not be same
Answer: (a).not be same
Question 327. If the temperature of a reaction is increased, the average kinetic energy will be
  1.    increased
  2.    decreased
  3.    constant
  4.    equal
 Discuss Question
Answer: Option A. -> increased
Answer: (a).increased
Question 328. Use of catalyst in the reaction changes
  1.    Entropy
  2.    Enthalpy
  3.    Internal energy
  4.    Activation energy
 Discuss Question
Answer: Option D. -> Activation energy
Answer: (d).Activation energy
Question 329. The mean energy of particles will be increased when the sample is
  1.    heated
  2.    boiled
  3.    melted
  4.    solidify
 Discuss Question
Answer: Option A. -> heated
Answer: (a).heated
Question 330. It is a short-lived species and decomposes into products immediately
  1.    Activated complex
  2.    Reactants
  3.    Effective molecules
  4.    All products
 Discuss Question
Answer: Option A. -> Activated complex
Answer: (a).Activated complex

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