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

Bone ash contains calcium phosphate

Question # 2

The brown gas formed when metal reduces HNO3is

Question # 3

Which are metalloid?

Question # 4

Which is aqua regia?

Question # 5

Which element belongs to group V-A?

Question # 6

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

Question # 7

Allotropic forms of sulpher are

Question # 8

Colour of N2O4 is

Question # 9

Laughing gas is chemically

Question # 10

SO3 is not absorbed in water directly to or H2SO4 because

Question # 11

Colour of PCl5is:

Question # 12

Oxidation of NO in air produces

Question # 13

Nitrogen is present in atmosphere

Question # 14

Which is the most reactive?

Question # 15

Which is an inert gas?

Question # 16

Which gas is heavier than air?

Question # 17

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

Question # 18

Which can be prepared from HNO3?

Question # 19

SO2is not absorbed in water directly to or H2SO4because:

Question # 20

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

Question # 21

Structure of P4 is

Question # 22

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

Question # 23

Posphorus belongs to a group

Question # 24

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

Question # 25

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

Question # 26

Tungsten and uranium are turned to an reaction with HNO3

Question # 27

NO2 forms acidic solution

Question # 28

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

Question # 29

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

Question # 30

Which property is not present in non-metals:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
2 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
4 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
5 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
6 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
7 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
8 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
9 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
10 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens

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