Chemistry Sample Test Paper 2 - AIEEE 2009

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(SOLVED)
Note : All Answers are in red.

1. Assertion : The dipole moment helps to predict whether molecule is polar or non polar Reason : The dipole moment helps to predict the geometry of molecules.
A
B
C
D

2. Assertion : LiCl is predominantly a covalent compound. Reason : Electronegativity difference between `Li and `Cl is too small.
A
B
C
D

3. Assertion : When a magnet is dipped in liquid oxygen, some of it sticks to the magnet. Reason : Oxygen is paramagnetic in nature.
A
B
C
D

4. Assertion : s-orbital cannot accommodate more than two electrons. Reason : s-orbitals are extremely poor shielders.
A
B
C
D

5. The geometric form of crystals is the result of orderly arrangement of
molecules only
ions only
atoms only
molecules, atoms or ions.

6. The molecule which has zero dipole moment is
CH₂Cl₂
BF₃
NF₃
ClO₂

7. The species which has pyramidal shape is
PCl₃
SO₃
CO₃^2-
NO₃^-

8. Which of the following species is paramagnatic
O₂^-
CN^-
CO
NO⁺

9. The compound in which C used its sp³ hybrid orbitals for bond formation is
HCOOH
(H₂N)₂CO
HCOH
CH₃CHO