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

Which phosphorus is the most poisonous?

Question # 2

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

Question # 3

Nitrogen is present in atmosphere by weight

Question # 4

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

Question # 5

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

Question # 6

Sulphuric acid is used

Question # 7

Which catalyst is used in contact process?

Question # 8

Which is nitrous acid?

Question # 9

Colour of PCl5is:

Question # 10

NO2forms acidic solution:

Question # 11

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

Question # 12

Nitrogen is present in atmosphere

Question # 13

Group VI-A elements are called:

Question # 14

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 15

Formation of NO from N2 and O2 requires temp

Question # 16

Which has garlic like odour?

Question # 17

What are non-metals?

Question # 18

Calcium carbonates contains oxygen in it:

Question # 19

NO2 forms acidic solution

Question # 20

Oxidation of NO in air produces

Question # 21

Allotropic forms of phosphorus are

Question # 22

Which property is not present in non-metals:

Question # 23

The brown gas formed when metal reduces HNO3is

Question # 24

Ring testis given by ions.

Question # 25

Which is the most reactive?

Question # 26

All elements of group VI-A non-metal except

Question # 27

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

Question # 28

Which has sweetish taste?

Question # 29

Nitrogen is present in atmosphere by weight:

Question # 30

Structure of P4 is

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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 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
4 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
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 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
7 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
8 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
9 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
10 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five

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