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

Posphorus belongs to a group

Question # 2

Colour of N2O4 is

Question # 3

Calcium carbonate contains oxygen in it

Question # 4

Allotropic forms of phosphorus are

Question # 5

Which catalyst is used in contact process?

Question # 6

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

Question # 7

Nitrogen is present in atmosphere

Question # 8

NO2forms acidic solution:

Question # 9

Which are metalloid?

Question # 10

Aqua Regia has ration of conc. HCl and HNO3.

Question # 11

Colour of PCl5is:

Question # 12

Sulphuric acid is used

Question # 13

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

Question # 14

Ring testis given by ions.

Question # 15

The brown gas formed when metal reduces HNO3is

Question # 16

Which is laughing gas?

Question # 17

Which has garlic like odour?

Question # 18

Which is aqua regia?

Question # 19

All elements of group VI-A non-metal except

Question # 20

Allotropic forms of sulpher are

Question # 21

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

Question # 22

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

Question # 23

Structure of P4 is

Question # 24

Which is the most reactive?

Question # 25

SO2is not absorbed in water directly to or H2SO4because:

Question # 26

Laughing gas is chemically

Question # 27

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

Question # 28

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

Question # 29

Which is nitrous acid?

Question # 30

Bone ash contains calcium phosphate

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Sr.# Question Answer
1 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
2 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
3 Out of all the elements of group V-A , the highest ionization energy is possessed by:
A. N
B. P
C. Sb
D. Bi
4 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
5 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
6 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
7 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
8 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
9 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
10 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb

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