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

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

Question # 2

Allotropic forms of oxygen Te, Se are

Question # 3

Which is laughing gas?

Question # 4

Tungsten and uranium are turned to an reaction with HNO3

Question # 5

Colour of N2O4 is

Question # 6

Nitrogen is present in atmosphere

Question # 7

Bone ash contains calcium phosphate

Question # 8

Which is the most reactive?

Question # 9

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

Question # 10

The brown gas formed when metal reduces HNO3is

Question # 11

Calcium carbonates contains oxygen in it:

Question # 12

Laughing gas is chemically

Question # 13

Structure of P4 is

Question # 14

All elements of group VI-A non-metal except

Question # 15

Which property is not present in non-metals:

Question # 16

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

Question # 17

Allotropic forms of sulpher are

Question # 18

What are non-metals?

Question # 19

Which is aqua regia?

Question # 20

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

Question # 21

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

Question # 22

Nitrogen is present in atmosphere by weight

Question # 23

Formation of NO from N2 and O2 requires temp

Question # 24

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

Question # 25

Group VI-A elements are called:

Question # 26

Calcium carbonate contains oxygen in it

Question # 27

NO2forms acidic solution:

Question # 28

Aqua Regia has ratio of conc. HCl and HNO3

Question # 29

Oxidation of NO in air produces

Question # 30

SO2is not absorbed in water directly to or H2SO4because:

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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 Out of all the elements of group V-A , the highest ionization energy is possessed by:
A. N
B. P
C. Sb
D. Bi
3 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
4 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
5 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
6 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
7 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
8 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
9 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
10 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six

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