The element of group VIA which is a non-metal is________________?
The element of group VIA which is a non-metal is________________?
A. S
B. Se
C. Te
D. Po
A. S
B. Se
C. Te
D. Po
A. troposphere
B. stratosphere
C. mesosphere
D. photosphere
A. On hydrogenation 208 KJ/mole is liberated
B. C-H bond length in benzene is 1.09 A?
C. Molecular mass of benzene is 78.108
D. Resonance energy of benzene is 150.5 K Cal/mole
A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties
A. Pain Killer
B. Fire Extinguisher
C. Mosquito Repellent
D. Petrol Additive
A. Acidic character of amino acids
B. Basic character of amino acids
C. Dipolar character of amino acids
D. Non-polar structure of amino acids
A. Strecker
B. Sabatier
C. Runge
D. W. H. Carothers