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

Structure of P4 is

Question # 2

NO2 forms acidic solution

Question # 3

Which is laughing gas?

Question # 4

Colour of N2O4 is

Question # 5

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

Question # 6

Nitrogen is present in atmosphere by weight:

Question # 7

Oxidation of NO in air produces

Question # 8

NO2forms acidic solution:

Question # 9

Nitrogen is present in atmosphere

Question # 10

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

Question # 11

Which are metalloid?

Question # 12

Which property is not present in non-metals:

Question # 13

Ring testis given by ions.

Question # 14

Which element belongs to group V-A?

Question # 15

Tungsten and uranium are turned to an reaction with HNO3

Question # 16

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

Question # 17

The brown gas formed when metal reduces HNO3is

Question # 18

Posphorus belongs to a group

Question # 19

Nitrogen is present in atmosphere by weight

Question # 20

Specific gravity of HNO3 is

Question # 21

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

Question # 22

Which is the most reactive?

Question # 23

Aqua Regia has ratio of conc. HCl and HNO3

Question # 24

The most stable phosphorus allotrope is

Question # 25

Aqua Regia has ration of conc. HCl and HNO3.

Question # 26

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

Question # 27

Allotropic forms of oxygen Te, Se are

Question # 28

Which can be prepared from HNO3?

Question # 29

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

Question # 30

Allotropic forms of sulpher are

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
2 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
3 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
4 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
5 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
6 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
7 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
8 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
9 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
10 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.

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