Prof Temmy's questions on chemical bonding

Bonding in electrolyte is _____ and ______ in non electrolyte

• Covalent & ionic

• Dative & covalent

• Dative & ionic

• Electrovalent & covalent

The alkali metals that rolls with duplect structure is

• Calcium and lithium

• Boron and lithium

• Lithium and beryllium

• Beryllium and boron

During ionisation ___ and _______ exhibit krypton and xenon structure respectively

• Rb + and Sr+

• Rb+ and Cs+

• Te- and Br-

• CS+ and Ba²+

Captions having 18 electrons in there outermost shell violate what ?

• Pauli's exclusive principal

• Aufbauf's principal

• Octet rule

• Chemical bonding rule

What are the three deviations from octet rule except

• Captions having 18 electrons in there outermost shell

• Cations having 2 electron in there outermost shell with 17 electrons preceding it

• Cations of transitional metals having 9 to 17 electrons in there outermost shell

• Cations having 18 valence electrons

The two electron in the outermost shell that was being preceded by 18 electron (from the deviation of octed rules) are called what?

Inert pair electron is common in ?

• Light metals

• Heavy metals

• Transitional elements

• Noble gases

TLcl is sparingly soluble in water due to ?

• Inert pair electron

• Hydrogen bonding

• Weak force of attraction

• Ionic bonding

Cations having 9 to 17 electrons in there outermost shell include

The modern concept of chemical bonding are base on?

• Attaining noble gas structure

• Energetic of reactions

• To become ion

• To form a product