Sail E0 Webinar

MCQs

Total Questions : 228 | Page 2 of 23 pages
Question 11. When metals combine with non-metals,
  1.    hydrogen gas is given off
  2.    electrons of the outer shells are shared
  3.    electrons in the outer shells of metals are transferred to the non-metals atoms
  4.    electrons in the outer shells of non-metals are transferred to the metals atoms
 Discuss Question
Answer: Option C. -> electrons in the outer shells of metals are transferred to the non-metals atoms
Answer: (c).electrons in the outer shells of metals are transferred to the non-metals atoms
Question 12. In the formation of oxygen molecule (O₂),
  1.    single covalent bond is formed
  2.    double covalent bond is formed
  3.    dative covalent bond is formed
  4.    metallic covalent bond is formed
 Discuss Question
Answer: Option B. -> double covalent bond is formed
Answer: (b).double covalent bond is formed
Question 13. Keeping in mind the ethane molecule (C₂H₆), the incorrect statement is
  1.    A double covalent bond is formed.
  2.    Two hydrogen atoms share a pair of electrons with each other.
  3.    Two hydrogen atoms share a pair of electrons with carbon atom.
  4.    Each carbon atom shares 2 pairs of electrons with each other.
 Discuss Question
Answer: Option B. -> Two hydrogen atoms share a pair of electrons with each other.
Answer: (b).Two hydrogen atoms share a pair of electrons with each other.
Question 14. Oxide with ionic and covalent nature of bonding is
  1.    MgO
  2.    SiO₂
  3.    Na₂O
  4.    Al₂O₃
 Discuss Question
Answer: Option D. -> Al₂O₃
Answer: (d).Al₂O₃
Question 15. The attempt in ionic bond formation is to
  1.    get rid of excess electrons
  2.    attain configuration of noble gases
  3.    avoid further reactions
  4.    none of above
 Discuss Question
Answer: Option B. -> attain configuration of noble gases
Answer: (b).attain configuration of noble gases
Question 16. The magnitude of ionization energy depends upon
  1.    number of positive charges
  2.    shielding effect increases
  3.    spin pair repulsion
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 17. Upon reaction of O₂ with metals of Period 3 elements, ionic bonds are formed if the
  1.    electronegativity of Period 3 elements is more then 0.5
  2.    electronegativity of Period 3 elements is above 3.5
  3.    electronegativity of Period 3 elements is lower than 1.7
  4.    higher the difference in electronegativity of O₂ and Period 3 elements.
 Discuss Question
Answer: Option D. -> higher the difference in electronegativity of O₂ and Period 3 elements.
Answer: (d).higher the difference in electronegativity of O₂ and Period 3 elements.
Question 18. The ionic equation O⁻²(aq)+ H₂O(l) → 2OH⁻. This will result in an
  1.    acidic solution
  2.    alkaline solution
  3.    Acidic and Alkaline solution
  4.    salt solution
 Discuss Question
Answer: Option B. -> alkaline solution
Answer: (b).alkaline solution
Question 19. The ionization energy between last element of one period and first element of next period receives a rapid
  1.    increase
  2.    decrease
  3.    constancy
  4.    neutral
 Discuss Question
Answer: Option B. -> decrease
Answer: (b).decrease
Question 20. The nuclear charge increases in periodic table
  1.    across periods
  2.    down group
  3.    d-block
  4.    s-block
 Discuss Question
Answer: Option A. -> across periods
Answer: (a).across periods

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0