Entry Test MCQ :: Chemical Bonding

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31.

Elements of group IA IIA are

A.	Electronegative	B.	Electropositive
C.	Neutral	D.	IA is electropositive while IIA is electronegative

32.

Bond will beionic when E.N difference of bonded atom is

A.	Equal to 1.7	B.	Greater than 1.7
C.	Less than 1.7	D.	No specificity exists

33.

Mostly ionic compound are produced in between elements of

A.	IA and VIA	B.	IA IIA and VIIA
C.	IB and VIIB	D.	IA and IB

34.

Which one of the following has polar covalent bond?

A.	HF	B.	CH4
C.	H2	D.	N2

35.

The Lewis acids are

A.	Electron deficient	B.	Electron rich
C.	Octet is complete	D.	No such acids exist

36.

Sharing of 1 electron pair by one specie forms

A.	Single covalent bond	B.	Hydrogen bond
C.	Double covalent bond	D.	Coordinate covalent bond

37.

Angle in water molecule is

A.	104.9?	B.	104.5?
C.	109.5?	D.	120?

38.

The geometry of ammonia is

A.	Tetrahedral	B.	Square planner
C.	Trigonal bipyramidal	D.	Trigonal Pyramidal

39.

Orbitals of same energy produced after mixing of orbitals of different energy are called

A.	Degenerate orbitals	B.	Generate orbitals
C.	Hybrid orbitals	D.	Zeeman orbitals

40.

By combining n atmic orbitals no. of hybrid orbitals will be

A.	2n	B.	n
C.	3n	D.	impossible to predict