CBSE
Multiple Choice QuestionsAssertion : Molecular nitrogen is less reactive than molecular oxygen.
Reason : The bond length of N2 is shorter than that of oxygen.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : SeCl4 does not have a tetrahedral structure.
Reason : Se in SeCl4 has two lone pairs.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Number of unpaired electrons in O2 molecule is :
zero
one
two
four
H - I - O bond angle in H2O2 :
90o
180o
109.5o
94.8o
Number of electrons surrounding Kr in KrF2 is :
10
6
4
8
Electron deficient molecule is :
CCl4
PCl5
BF3
SF6
Hybridization present in ClF3 is :
sp2
sp3
dsp2
sp3d
Among the following, the species having square planar geometry for central atom are
(i) XeF4, (ii) SF4, (iii) [NiCl4]2- ,(iv) [PdCl4 ]2-
(i) and (iv)
(i) and (ii)
(ii) and (iii)
(iii) and (iv).
Intermolecular hydrogen bonding is strongest in :
C2H5OH
HF
H2O
CH3COCH3
Bond order in benzene is :
1
2
1.5
none of these
