Chemistry Sample Test Paper 1 - AIEEE 2009

Advertisements

(SOLVED)
Note : All Answers are in red.

1. The compound in which C uses `sp hybrid orbitals for bond formation is
HCOOH
(NH₂)₂CO
(CH₃)₃COH
CH₂ = C = O

2. Which type of bond is not present in HNO₂ molecule HNO₂
Covalent
Co-ordinate
Ionic
Ionic as well as co-ordinate.

3. The linear structure is assumed by, which of the following is not true
SnCl₂
NCO^-
NO⁺
CS₂.

4. The maximum possible number of hydrogen bonds in which a water molecule can participate is
4
3
2
1

5. The hybrid orbital used by chlorine atom in ClO₂^- ion is
sp³
sp²
sp
none

6. Which of the following has zero dipole moment
ClF
PCl₃
SiF₄
CFCl₃

7. Which is most ionic
P₂O₅
MnO
CrO₃
Mn₂O₇

8. How many s and Ύ bonds will in allyl isocyanide-
9s and 3Ύ
9s and 9Ύ
3s and 4Ύ
5s and 7Ύ

9. Among the following species, identify the isostructural pairs NF₃, NO₃^-,BF₃.,H₃ O⁺,HN₃
[NF₃, NO₃^- ] and [BF₃ ,H₃O⁺]
[NF₃, HN₃] and [NO₃^-, BF₃]
[NF₃, H₃O⁺] and [NO₃^-, BF₃]
[NF₃ H₃O⁺] and [HN₃. BF₃]