Dr. Harisingh Gour University Sagar PGET M. Sc Chemistry 2019 Paper

This paper consists 200 objective type questions for 2 hrs duration on Chemistry.

 

Sr. No. Question
1 When the principle quantum number n=4, it is possible to have

(a)    Only an s orbitals

(b)   Only s and p orbitals

(c)    Only s,p and d orbitals

(d)   Only s, p, d and f orbitals

2 What will be the core change of a group 6 element?

(a)    +2

(b)   -2

(c)    +6

(d)   – 6

3 Which trends is TRUE moving down the group 1 of the periodic table?

(a)    First ionization energy and electronegativity increases

(b)   Atomic radius and reactivity increases

(c)    Electronegativity and atomic radius increase

(d)   Reactivity and first ionization energy increase

4 The correct increasing order of second ionization energies of B, C and N is

(a)    C < B < N

(b)   B < C < N

(c)    N < B < C

(d)   B < N < C

5 Which of these elements is the least reactive?

(a)    Sodium

(b)   Aluminum

(c)    Krypton

(d)   Chlorine

   
6 Which property applies to potassium, but not for fluorine?

(a)    Weak reducing agent

(b)   Strong oxidizing agent

(c)    Strong reducing agent

(d)   Weak oxidizing agent

7 Which of the following metal is most likely to be found uncombined in nature?

(a)    Iron

(b)   Aluminum

(c)    Sodium

(d)   Silver

8 What is the shape of OCl2 molecule?

(a)    V shaped

(b)   Tetrahedral

(c)    Pyramidal

(d)   Linear

9 Which of the following can conduct electricity?

(a)    Silica

(b)   Graphite

(c)    Diamond

(d)   None of the above

10 Which of the following is metalloid?

(a)    C

(b)   Fe

(c)    Ge

(d)   Sn

   
11 BeCl2 is an example of

(a)    Lewis base

(b)   Bronsted base

(c)    Lewis acid

(d)   Bronsted acid

12 Which transition element of 3d series shows largest number of oxidation states?

(a)    Cu

(b)   Fe

(c)    Ti

(d)   Mn

13 Which transition metal is involved in the Ziegler-Natta catalyst used in the synthesis of polymer?

(a)    Rh

(b)   Pd

(c)    Ti

(d)   Pt

14 Which of the following has linear structure

(a)    SO2

(b)   CO2

(c)    H2O

(d)   H2S

15 Which of the following can form intramolecular hydrogen bond?

(a)    P nitro phenol

(b)   Phenol

(c)    O nitro phenol

(d)   All above

   
  Published on 6th Oct 2021
   

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