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

Try The 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

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Question # 1

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

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

Nitrogen is present in atmosphere

Question # 4

Tungsten and uranium are turned to an reaction with HNO3

Question # 5

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

Question # 6

Colour of PCl5is:

Question # 7

NO2forms acidic solution:

Question # 8

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

Question # 9

Which has sweetish taste?

Question # 10

Oxidation of NO in air produces

Question # 11

Which gas is heavier than air?

Question # 12

Allotropic forms of phosphorus are

Question # 13

Allotropic forms of oxygen Te, Se are

Question # 14

Ring testis given by ions.

Question # 15

Which phosphorus is the most poisonous?

Question # 16

Which is laughing gas?

Question # 17

Which property is not present in non-methals

Question # 18

SO3 is not absorbed in water directly to or H2SO4 because

Question # 19

Aqua Regia has ration of conc. HCl and HNO3.

Question # 20

Which are metalloid?

Question # 21

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

Question # 22

Which is the most reactive?

Question # 23

SO2is not absorbed in water directly to or H2SO4because:

Question # 24

Aqua Regia has ratio of conc. HCl and HNO3

Question # 25

Sulphuric acid is used

Question # 26

Calcium carbonate contains oxygen in it

Question # 27

Which is an inert gas?

Question # 28

Specific gravity of HNO3 is

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
2 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
3 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
4 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
5 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
6 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
7 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
8 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
9 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
10 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As

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