1

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)
The common features among the species CN-, CO and NO+ are
A
bond order three and isoelectronic
B
bond order three and weak field ligands
C
bond order two and $$\pi$$-acceptors
D
isoelectronic and weak field ligands
2

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)
The hybridisation of atomic orbitals of nitrogen in $$NO_2^+$$, $$NO_3^-$$ and $$NH_4^+$$ are
A
sp, sp3 and sp2 respectively
B
sp, sp2 and sp3 respectively
C
sp2, sp and sp3 respectively
D
sp2, sp3 and sp respectively
3

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)
Molecular shape of SF4, CF4 and XeF4 are
A
the same, with 2, 0 and 1 lone pair of electrons
B
the same, with 1, 1 and 1 lone pair of electrons
C
different, with 0, 1 and 2 lone pairs of electrons respectively
D
different, with 1, 0 and 2 lone pairs of electrons respectively
4

IIT-JEE 1999

MCQ (Single Correct Answer)
The geometry of H2S and its dipole moment are
A
angular and non-zero
B
angular and zero
C
linear and non-zero
D
linear and zero

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