CBSE
Multiple Choice QuestionsAssertion: All the hydrogen atoms in CH4=C=CH2 lie in one plane.
Reason : All the carbon atoms in its are sp2 hybridized.
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.
In BF3, the B - F bond length is 1.30Å, when BF3 is allowed to be treated with Me3N, it forms an adduct, Me3N BF3, the bond length of B - F in the adduct is
greater than 1.30 Å
smaller than 1.30 Å
equal to 1.30 Å
none of these
The percentage of p-character in the orbitals forming P-P bond in P4 is :
25
33
50
75
Total number of antibonding electrons present in O2 will be
6
8
4
2
The dipole moment is minimum in
NH3
NF3
SO2
BF3
A double bond connecting two atoms .There is a sharing of :
2 electrons
1 electron
4 electrons
All electrons
The linear molecule is :
CH3
C2H2
NH3
H2O
Structure of (SiO4)4- ion is :
tetrahedral
square planar
octahedral
planar triangular
Bond dissociation energy of CH4 is 360 kJ/mol and C2H6 is 620 kJ/mol. Then bond dissociation energy of C-C bond is
170 kJ/mol
50 kJ/mol
80 kJ/mol
220 kJ/mol
The structure of IF5 can be best described as :
None of these
