Transitions Elements MCQ's 1

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A test from chapter 6 i.e Transition Elements of Chemistry part 2. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. Which of the following sets of species does not follow octet rule

A) CO,PCl5,PCl3,AlCl3
B) CO,B2H6,NH3,H2O
C) AlCl3,BF3,PCl5,SF6
D) H2O,NH3,CO2,AlCl3

2. An electrovalent bond is formed between

A) Two electronegative atoms
B) Two metals
C) Electropositive and electronegative atoms
D) Two electropositive atoms

3. The electro negativity of cesium is 0.7 and that of fluorine is 4.0. The bond formed between the two is

A) Covalent
B) Electrovalent
C) Coordinate
D) metallic

4. Pi bond is formed by the overlapping of

A) s-s orbitals
B) s-p orbitals
C) p-p orbitals in end to end manner
D) p-p orbitals in sidewise manner

5. In the formation of ethylene molecule, the carbon atom makes use of

A) Sp3 hybridization
B) sp2 hybridization
C) sp hybridization
D) none

6. In which of the following molecules, the bond angle is maximum

A) CH4
B) H2o
C) NH3
D) CO2

7. The type of bonds present is CuSO4 are

A) Electrovalent, covalent and coordinate
B) Electrovalent and covalent
C) Electrovalent and coordinate
D) Covalent and coordinate

8. The species in which the central atom uses sp2 hybrids in its bonding is

A) PH3
B) AsH3
C) NH3
D) CH3+

9. In a series ethane, ethylene and acetylene, the C-H bond energy is

A) The same in all the three compounds
B) Greatest in ethyne
C) Greatest in ethylene
D) Greatest in ethane

10. Which of the following is diamagnetic

A) O2+
B) O2-
C) O2
D) O2^ 2-