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MCQs

Total Questions : 1678 | Page 163 of 168 pages
Question 1621. Which of the following element has the maximum electron affinity_____?
  1.    Cl
  2.    Br
  3.    I
  4.    F
 Discuss Question
Answer: Option A. -> Cl
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1622. Cassiterite is an ore of_______?
  1.    Mn
  2.    Ni
  3.    Sb
  4.    Sn
 Discuss Question
Answer: Option D. -> Sn
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1623. Percentage of lead in lead pencil is________?
  1.    Zero
  2.    20
  3.    80
  4.    70
 Discuss Question
Answer: Option A. -> Zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1624. The type of hybridisation of boron in diborane is______?
  1.    Sp- hybridisation
  2.    Sp2- hybridisation
  3.    Sp3- hybridisation
  4.    Sp3d2- hybridisation
 Discuss Question
Answer: Option A. -> Sp- hybridisation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1625. In borax bead test which compound is formed_________?
  1.    Ortho burate
  2.    Meta borate
  3.    Double oxide
  4.    Tetra borate
 Discuss Question
Answer: Option B. -> Meta borate
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1626. Which of the following shows electrical conduction_____?
  1.    Potassium
  2.    Graphite
  3.    Diamond
  4.    Sodium
 Discuss Question
Answer: Option B. -> Graphite
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1627. BeCl2 has the hybrid orbitaks of type_______?
  1.    Sp2
  2.    Sp3
  3.    Sp
  4.    dsp2
 Discuss Question
Answer: Option C. -> Sp
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1628. I3( Tri-iodine) has shape_________?
  1.    Trigonal bipyramidal
  2.    Linear
  3.    Square bipyramidal
  4.    Both A and C
 Discuss Question
Answer: Option B. -> Linear
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1629. Molecular orbital Theory is also called_________?
  1.    Bonding theory
  2.    Band theory
  3.    Antibondingtheory
  4.    π and σ bonding theory
 Discuss Question
Answer: Option C. -> Antibondingtheory
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1630. Formula of Galena is________?
  1.    PbS
  2.    HgS
  3.    AS2S3
  4.    FeS2
 Discuss Question
Answer: Option A. -> PbS
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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