MDCAT Solved Past Papers: The beginning of Unit 6 Chemistry. Look over some old MDCAT Chemistry Topic test questions. Review of some old MDCAT Chemistry Topic test questions. Topic: Look over some old MDCAT Chemistry Topic test questions. Topic: Look over some old MDCAT Chemistry Topic test questions.
MDCAT Solved Past Papers Chemistry
MCAT Chemistry Solved Past Papers MCQs| MCAT Chemistry Chapter Wise Solved MCQs Unit 6. If you are looking for 1st-year chemistry MCQs chapter 4 click here
1. Mg becomes ISO-electronic with Neon when it:
(Multan Board. 2011)
(A) Looses one electron
(B) Looses two electrons
(C) Gains of one electron shell are complete
(D) Gains two electrons
2. The most stable elements are: (Lahore Board, 2009)
(A) Lithium family
(B) Halogens
(C) None of these
(D) Noble gases
3. The decrease in atomic radius is small when we travel from left to right in transition elements. To Znw Y 39 to Cd48 due to: (Faisalabad Board, 2010)
(A) Screening effect
(B) Shielding effect
(C) Intervening electrons
(D) Valence electrons
4. The shielding effect is responsible for:
(A) The decrease in nuclear attractive influence over the valence electrons
(B) An increase in nuclear attractive influence over the valence electrons
(C) The decreased repulsion between the Nucleus and Inner electrons
(D) The increase in attraction between the Nucleus and Inner electrons
5. Which molecule has zero dipole moment? (Gujranwala Board, 2013: Multan Board, 2016)
A. NH3
B. CHCC
C. BF3
D. H02
FSC Chemistry Chapter-6 MCQs:
6. The dipole moment of SO2? Is: (Multan Board. 2013)
A. o.0D
B. O QI)
C. 078 D
D. 0.95 D
7. The value of dipole moment of CS2 is (Bahawalpur Board, 2009)
(A) 0.12D
(B) Zero
(C) 1.61D
(D) 0.95D
8. S.I unit of dipole moment is: (Lahore Board, 2010)
(A) pm
(B) Debye
(C) Mc
(D) all
9. The carbon atom in CH4 is (Faisalabad Board, 2015)
(A) sp3 hybridized
(B) sp2 hybridized
(C) sp hybridized
(D) dsp2 hybridized
10. Which of the following has a bond angle of 120 (Lahore Board, 2017)
(A) BF3
(B) CH4
(C) NH3
(D) BeC12
11. Calculate the number of álpha bonds and “π” bonds in the molecule MCAT 2016
(D) 61t and 60 bonds
(C) 37t and 30 bonds
(B) 27t and 40 bonds
(A) 1″π” and 5 alpha bonds
1st-Year Chemistry MCQs From MDCAT:
12. Which option shows all the molecules with bond angles 109.5 MDCAT 2018
(A) CH4, NHC, BCI,
(B) SiC14, NH4+, CHC
(C) CH4, NH+4, PH3
(D) SiC14, H20, Beci
13. The four equivalent sp3 hybrid orbitals in space are at an angle of (D.G. board. 2009)
(A) 120
(B) 107.5C
(C)104.50C
(D) 109.5C
14. the Bond angle between the H – S – H bond is (Lahore Board. 2010)
(A) 104.5
(B) 95
(C) 107.50
(D) 92
15. The carbon atom in C2H4 is (Sargodha Board, 2010, 2017)
(A) dsp2 hybridized
(B) sp hybridized
(C) sp2 hybridized
(D) sp3 hybridized
16. VSEPR theory helps in explaining:
(A) Nature of bond
(B) Attraction between atoms
(C) Size of molecule
(D) Shape of the molecule
17. According to VSERP theory, the shape of the PHS molecule is:
(A) Linear
(B) Tetragonal
(C) Trigonal Planar
(D) Trigonal Pyramidal
11th Chemistry Unit-6 Solved MCQs:
18. Total number of bonds in ethyne (CH CH) are (D.G. Khan Board, 2010)
(A) four
(B) two
(C) five
(D) three
19. Total number of bonds in the C2H4 molecule is (Lahore Board, 2011)
(A) Four
(B) Five
(C) six
(D) Eight
20. In sp2 hybridization, the orbitals are oriented at an angle of (Lahore Board, 2007)
(A) 109.50
(B) 120
(C) 180
(D) 90
21. The geometry of BeCl2 is (Faisalabad Board, 2007)
(A) Linear
(B) Planar trigonal
(C) None of these
(D) Tetrahedral