Sail E0 Webinar

MCQs

Total Questions : 740 | Page 5 of 74 pages
Question 41. Hydration energy of ions depends upon
  1.    Volume ratio
  2.    Atomic number
  3.    Mass number
  4.    Bonding
 Discuss Question
Answer: Option A. -> Volume ratio
Answer: (a).Volume ratio
Question 42. When we move from left to right in the period, basic character
  1.    Increases
  2.    Decreases
  3.    Remains same
  4.    Moderate
 Discuss Question
Answer: Option B. -> Decreases
Answer: (b).Decreases
Question 43. In V₂O₅, oxidation state of O is
  1.    5
  2.    -5
  3.    10
  4.    -10
 Discuss Question
Answer: Option D. -> -10
Answer: (d).-10
Question 44. Ionic hydrides are formed by groups
  1.    I-A and II-A
  2.    II-A and III-A
  3.    III-A and IV-A
  4.    IV-A and V-A
 Discuss Question
Answer: Option A. -> I-A and II-A
Answer: (a).I-A and II-A
Question 45. The best example of amphoteric oxides is
  1.    CaO
  2.    MgO
  3.    ZnO
  4.    CO₂
 Discuss Question
Answer: Option C. -> ZnO
Answer: (c).ZnO
Question 46. The elements of group VIIA are least metallic due to their
  1.    Larger size
  2.    Smaller size
  3.    High nuclear charge
  4.    Low nuclear charge
 Discuss Question
Answer: Option B. -> Smaller size
Answer: (b).Smaller size
Question 47. Basic and acidic oxides react together and form
  1.    Catalyst
  2.    Water
  3.    Complex
  4.    Salts
 Discuss Question
Answer: Option D. -> Salts
Answer: (d).Salts
Question 48. Atomic radius can be expressed in
  1.    Millimetre
  2.    Centimetre
  3.    Pico meter
  4.    Nanometre
 Discuss Question
Answer: Option C. -> Pico meter
Answer: (c).Pico meter
Question 49. Ionization energy of sodium atom is
  1.    450 KJ/mol
  2.    470 KJ/mol
  3.    488 KJ/mol
  4.    496 KJ/mol
 Discuss Question
Answer: Option D. -> 496 KJ/mol
Answer: (d).496 KJ/mol
Question 50. Adsorption of hydrogen in transition elements give hydrides
  1.    Covalent
  2.    Interstitial
  3.    Intermediate
  4.    Ionic
 Discuss Question
Answer: Option B. -> Interstitial
Answer: (b).Interstitial

Latest Videos

Latest Test Papers