ECAT Pre Engineering Chemistry Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

00:00
Question # 1

Aqua Regia has ration of conc. HCl and HNO3.

Question # 2

Which of the following species has the maximum number of unpaired electrons?

Question # 3

Ring testis given by ions.

Question # 4

The brown gas formed when metal reduces HNO3is

Question # 5

NO2 forms acidic solution

Question # 6

Nitrogen is present in atmosphere

Question # 7

Which has garlic like odour?

Question # 8

Among group V-A elements, the most electronegative element is:

Question # 9

Out of all the elements of group V-A, the highest ionization energy is possessed by

Question # 10

SO2is not absorbed in water directly to or H2SO4because:

Question # 11

Structure of P4 is

Question # 12

Colour of N2O4 is

Question # 13

Reaction of HNO, with very dilute Zinc and at low temperature gives

Question # 14

Which element of group IV-A does not use d-orbital?

Question # 15

Specific gravity of HNO3 is

Question # 16

SO3 is not absorbed in water directly to or H2SO4 because

Question # 17

Which property is not present in non-methals

Question # 18

Allotropic forms of phosphorus are

Question # 19

Colour of PCl5is:

Question # 20

Group VI-A elements are called:

Question # 21

Tungsten and uranium are turned to an reaction with HNO3

Question # 22

NO2forms acidic solution:

Question # 23

Which catalyst is used in contact process?

Question # 24

Among group V-A elements, the most electronegative element is

Question # 25

Bone ash contains calcium phosphate

Question # 26

Which element belongs to group V-A?

Question # 27

Oxidation of NO in air produces

Question # 28

Which is an inert gas?

Question # 29

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 30

Aqua Regia has ratio of conc. HCl and HNO3

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
2 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
3 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
4 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
5 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
6 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
7 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
8 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
9 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
10 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green

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