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

Posphorus belongs to a group

Question # 2

Allotropic forms of sulpher are

Question # 3

Which is nitrous acid?

Question # 4

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

Question # 5

Laughing gas is chemically

Question # 6

Which has garlic like odour?

Question # 7

Allotropic forms of phosphorus are

Question # 8

The most stable phosphorus allotrope is

Question # 9

SO3 is not absorbed in water directly to or H2SO4 because

Question # 10

Formation of NO from N2 and O2 requires temp

Question # 11

Which gas is heavier than air?

Question # 12

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

Question # 13

Which property is not present in non-metals:

Question # 14

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

Question # 15

Which catalyst is used in contact process?

Question # 16

Which is aqua regia?

Question # 17

Calcium carbonates contains oxygen in it:

Question # 18

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

Question # 19

What are non-metals?

Question # 20

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

Question # 21

Colour of N2O4 is

Question # 22

Which phosphorus is the most poisonous?

Question # 23

Specific gravity of HNO3 is

Question # 24

Group VI-A elements are called:

Question # 25

NO2 forms acidic solution

Question # 26

Which is laughing gas?

Question # 27

Bone ash contains calcium phosphate

Question # 28

Tungsten and uranium are turned to an reaction with HNO3

Question # 29

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

Question # 30

Allotropic forms of oxygen Te, Se are

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
2 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
3 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
4 Out of all the elements of group V-A , the highest ionization energy is possessed by:
A. N
B. P
C. Sb
D. Bi
5 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
6 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
7 Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
A. Te
B. Se
C. S
D. Pb
8 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
9 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
10 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles

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