The probability of finding of three unpaired electron in nitrogen atom is defined by :
Aufbau's principle
Uncertainty principle
Pauli's principle
Hund's rule
In a reversible reaction ifthe concentration of reactants and products are doubled , the value of Kc will be :
half of the initial value
double of initial value
one fourth of the initial value
same the initial value
The number of (sigma) and (pi) bonds in 1-buene-3-yne is :
5 , 5
8 , 6
7 , 3
6 , 4
C.
7 , 3
H2C=CH-CCH
7 bond and 3 bond.
The correct size ofiodine atom and iodine ion is :
I- > I+ > I
I > I+ > I-
I > I- > I+
I+ > I > I-
The geemetry of the compound of sp3d hybridisation is :
pyramidal
triangular
planar
trigonal bipyramidal
The compound formed by the ozonolysis of acetylene :
glycol
acetic acid
ethylene ozonide
glyoxal