Entry Test MCQ :: The Halogens and The Noble Gases

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21.

Fluorine can react with

A.	Xe	B.	Kr
C.	Rn	D.	All of the above

22.

Bleaching powder is not used for bleaching

A.	Cotton	B.	Costly fabrics
C.	Linen	D.	Paper pulb

23.

Which of the following is the weakest reducing agent?

A.	HF	B.	HBr
C.	HC?	D.	HI

24.

Which of the following is not use of compounds of Fluorine

A.	SbF3 is used for manufacture of pottery	B.	Sodium fluoroacetate is a rat poison
C.	Cu F2 is used in ceramic industry	D.	None of the above

25.

In which compound of Xenon the oxidation state of Xenon is + 6.

A.	XeF4	B.	XeOF4
C.	XeOF2	D.	Na4XeO6

26.

Photographic plates are coated with a thin film of :

A.	AgNO3	B.	AgI
C.	AgCl	D.	AgBr

27.

The anhydride of HCIO4 is:

A.	Cl2O	B.	Cl2O6
C.	ClO2	D.	Cl2O7

28.

Indicate the correct statement:

A.	Cl2 is the strongest oxidizing agent	B.	I2 is a volatile solid
C.	Br2 is more reactive than Cl2	D.	Cl2 is insoluble in water

29.

Which one of the following halogens is present in Teflon:

A.	I2	B.	Br2
C.	Cl2	D.	F2

30.

Which is the paramagnetic oxide of chlorine:

A.	Cl2O7	B.	Cl2O6
C.	ClO2	D.	all