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

SO2is not absorbed in water directly to or H2SO4because:

Question # 2

Sulphuric acid is used

Question # 3

Specific gravity of HNO3 is

Question # 4

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

Question # 5

Posphorus belongs to a group

Question # 6

Which phosphorus is the most poisonous?

Question # 7

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

Question # 8

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

Question # 9

Which is laughing gas?

Question # 10

Which can be prepared from HNO3?

Question # 11

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

Question # 12

Which is the most reactive?

Question # 13

Tungsten and uranium are turned to an reaction with HNO3

Question # 14

Aqua Regia has ration of conc. HCl and HNO3.

Question # 15

Which is aqua regia?

Question # 16

Bone ash contains calcium phosphate

Question # 17

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

Question # 18

Which catalyst is used in contact process?

Question # 19

Structure of P4 is

Question # 20

Which has sweetish taste?

Question # 21

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

Question # 22

Allotropic forms of phosphorus are

Question # 23

Ring testis given by ions.

Question # 24

Nitrogen is present in atmosphere

Question # 25

Allotropic forms of sulpher are

Question # 26

Nitrogen is present in atmosphere by weight

Question # 27

All elements of group VI-A non-metal except

Question # 28

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

Question # 29

NO2 forms acidic solution

Question # 30

Colour of PCl5is:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
2 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
3 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
4 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
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 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
7 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
8 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
9 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
10 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4

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