CBSE
Multiple Choice QuestionsThe ion which is not tetrahedral in shape is
BF4-
NH4+
Cu(NH3)42+
NiCl42-
The statement true for is
it has a non-linear structure
it is called pseudohalogen
the formal oxidation state of nitrogen in this anion is -1
it is isoelectronic with NO2
Which of the following molecule has highest bond energy ?
F-F
N-N
C-C
O-O
The number of and bonds present in pent-4-ene, I-yne is :
10 , 3
4 , 9
3 , 10
9 , 4
The dipole moment is the highest for
trans-2-butene
1,3-dimethylbenzene
acetophenone
ethanol.
Assertion : B2 molecule is diamagnetic.
Reason : The highest occupied molecular orbital is of σ type.
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.
Shape of O2F2 is similar to that of
C2F2
H2O2
H2F2
C2H2
The ONO angle is maximum in
The paramagnetic species is
KO2
SiO2
TiO2
BaO2
Which of the following are arranged in the decreasing order of dipole moment?
CH3Cl, CH3Br, CH3F
CH3Br, CH3Cl, CH3F
CH3Cl, CH3Br, CH3F
CH3Br, CH3F, CH3Cl
