The bonds present in ethene (C2H4) molecule
(A) Five σ bond and one π bond
(B) Two σ bond and two π bond
(C) Three σ bonds and two π bonds
(D) All σ bonds
Answer(A) Five σ bond and one π bond
Category: FPSC Chemistry Lecturer Test Past Papers
FPSC Chemistry Lecturer (BS-17) Test Past Papers Solved MCQs Questions with Answers.
Rain drops have spherical shape because a sphere has the least?
(A) Area
(B) Volume
(C) Length
(D) Surface to volume ratio
Answer: (D) Surface to volume ratio
Which molecule has linear structure:
(A) CH4
(B) NH3
(C) BF3
(D) C2H2
Answer: (D) C2H2
Which of the following is intensive property of system?
(A) Density
(B) Energy
(C) Volume
(D) Entropy
The Answer is : (A) Density
Heat absorbed by a system when its volume does not change is equal to :
(A) Internal energy
(B) Work done by a system
(C) Increase in internal energy
(D) Change in enthalpy of system
The Answer is : (A) Internal energy