What is chemical symbol for Tungsten?
A. Z
B. T
C. Tn
D. W
Noble gases are so called zero group because they have:
A. Zero Valency
B. Zero Electronegativity
C. Zero Electron Affinity
D. Both A and B
E. All of these
The reaction of Lucas reagent is the fastest with:
A. (CH3)2CHOH
B. CH3(CH2)OH
C. CH3CH2OH
D. (CH3)3COH
If volumetric analysis methyl orange indicator is used when:
A. Acid is strong
B. Acid is weak
C. Bade is strong
D. Acid is strong base is weak
Ethylene diamine is ligand:
A. mono dentate
B. Bi dentate
C. tri dentate
D. Poly dentate
Formula of Galena is:
A. PbS
B. HgS
C. AS2S3
D. FeS2
Molecular orbital Theory is also called:
A. Bonding theory
B. Band theory
C. Antibonding theory
D.π and σ bonding theory
BeCl2 has the hybrid orbitals of type:
A. Sp2
B. Sp3
C. Sp
D. dsp2
I3( Tri-iodine) has shape:
A. Trigonal bipyramidal
B. Linear
C. Square bipyramidal
D. Both A and C
