Texas Placement Paper -: Aptitude Questions And Answers

Texas Previous Years Solved Sample Placement Papers

1. A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is
   

   A. 140

   B. 196 Answer: Option B

   C. 280

   D. 346

2. CHEMISTRY
   1. The wave associated with a particle is called
      

      A. Electromagnetic Wave

      B. Matter Wave Answer: Option B

      C. Micro Wave

      D. All the Above

   2. De-Broglie concept is significant for
      

      A. Electrons

      B. Protons

      C. Neutrons

      D. All the above Answer: Option D

   3. The nodal plane for 2px orbital is
      

      A. XY plane

      B. YZ plane Answer: Option B

      C. XZ plane

      D. All the above

   4. The molecule with greater bond dissociation energy is
      

      A. H2

      B. Li2

      C. O2

      D. N2 Answer: Option D

   5. Which of the following will have the lowest boiling point?
      

      A. o-nitro phenol Answer: Option A

      B. m-nitrophenol

      C. p-nitrophenol

      D. All the above

   6. The number of nodes in the s-orbital of any energy level is equal to
      

      A. 2n+1

      B. n+1

      C. 2n-1

      D. n-1 Answer: Option D

   7. The hybridization in ICl4^- is
      

      A. sp³d

      B. sp³d³

      C. sp³

      D. sp³d² Answer: Option D

   8. Pauling’s method of calculation of ionic radii is not applicable for
      

      A. NaF

      B. KCl

      C. CsCl Answer: Option C

      D. RbBr

   9. The contribution of other electrons present in the 1s orbital to ‘S’ value is
      

      A. 0

      B. 0.35

      C. 0.85

      D. 0.30 Answer: Option D

   10. The metal with comparatively high electron affinity is
       

       A. Chlorine

       B. Cesium

       C. Gold Answer: Option C

       D. Cadmium

   11. Inert pair effect is a characteristic feature of ------------ elements
       

       A. s-block

       B. p-block Answer: Option B

       C. d-block

       D. f-block

   12. The oxyacid of phosphorus which is a powerful reducing agent (reduces AgNO3) is
       

       A. H₃PO₃ Answer: Option A

       B. H₃PO₄

       C. H₄P₂O₇

       D. PH₃

   13. The compound with rotten fish odor is
       

       A. P₂O₃

       B. H₃PO₃

       C. PH₃ Answer: Option C

       D. P₂O₅

   14. Which of the following is not possible?
       

       A. I₃^-

       B. F₃ Answer: Option B

       C. Br₃^-

       D. Cl₃^-

   15. Which of the following inert gas is not found in air?
       

       A. Helium

       B. Neon

       C. Krypton

       D. Radon Answer: Option D