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 property is not present in non-methals

Question # 2

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

Question # 3

Structure of P4 is

Question # 4

NO2forms acidic solution:

Question # 5

SO3 is not absorbed in water directly to or H2SO4 because

Question # 6

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

Question # 7

Which property is not present in non-metals:

Question # 8

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

Question # 9

Which are metalloid?

Question # 10

Colour of PCl5is:

Question # 11

Allotropic forms of phosphorus are

Question # 12

Formation of NO from N2 and O2 requires temp

Question # 13

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

Question # 14

Which has garlic like odour?

Question # 15

Which is laughing gas?

Question # 16

Nitrogen is present in atmosphere by weight:

Question # 17

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

Question # 18

Nitrogen is present in atmosphere

Question # 19

Aqua Regia has ratio of conc. HCl and HNO3

Question # 20

Ring testis given by ions.

Question # 21

Oxidation of NO in air produces

Question # 22

All elements of group VI-A non-metal except

Question # 23

Tungsten and uranium are turned to an reaction with HNO3

Question # 24

Colour of N2O4 is

Question # 25

Group VI-A elements are called:

Question # 26

Posphorus belongs to a group

Question # 27

Bone ash contains calcium phosphate

Question # 28

Which is nitrous acid?

Question # 29

SO2is not absorbed in water directly to or H2SO4because:

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
2 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
3 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
4 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
5 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
6 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
7 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
8 SO3 is not absorbed in water directly to or H2SO4 because
A. the reaction does not go to completion.
B. the reaction is quite slow.
C. the reaction is exothermic.
D. SO3 is insoluble in water.
9 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
10 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2

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