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

00:00
Question # 1

Ring testis given by ions.

Question # 2

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

Question # 3

Aqua Regia has ratio of conc. HCl and HNO3

Question # 4

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

Question # 5

The most stable phosphorus allotrope is

Question # 6

All elements of group VI-A non-metal except

Question # 7

Nitrogen is present in atmosphere by weight

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Laughing gas is chemically

Question # 12

Calcium carbonates contains oxygen in it:

Question # 13

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

Question # 14

Colour of PCl5is:

Question # 15

Which catalyst is used in contact process?

Question # 16

SO2is not absorbed in water directly to or H2SO4because:

Question # 17

Allotropic forms of oxygen Te, Se are

Question # 18

SO3 is not absorbed in water directly to or H2SO4 because

Question # 19

Which gas is heavier than air?

Question # 20

NO2forms acidic solution:

Question # 21

What are non-metals?

Question # 22

Nitrogen is present in atmosphere by weight:

Question # 23

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

Question # 24

Which has garlic like odour?

Question # 25

Structure of P4 is

Question # 26

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 27

Which can be prepared from HNO3?

Question # 28

Calcium carbonate contains oxygen in it

Question # 29

Nitrogen is present in atmosphere

Question # 30

Which has sweetish taste?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
2 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
3 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
4 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
5 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
6 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
7 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
8 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
9 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
10 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3

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