ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

Which one of the following pentafluorides cannot be formed?

Question # 2

______ gives peroxide

Question # 3

Gypsum is a common mineral of

Question # 4

The acid used in lead storage cells is

Question # 5

What is going to replace the petroleum?

Question # 6

BiCl3on hydrolysis forms a white precipitate of

Question # 7

Aluminium oxide is:

Question # 8

The oxidation number of each element of group l-A is

Question # 9

When SO2is passed through acidified K2Cr2O7solution

Question # 10

Crystalline form of sulphur stable at room temperature is

Question # 11

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 12

Which element form group 15 gives most basic compound with hydrogen?

Question # 13

Which colour is imparted by sodium

Question # 14

What causes nitrogen to be chemically inert?

Question # 15

The chemical formula of magnesite is

Question # 16

Plaster of pares is obtained by heating

Question # 17

In the earth crust sodium is

Question # 18

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 19

Sodium forms largely

Question # 20

Which of the following salt is soluble in water

Question # 21

The number of electron that are paired in oxygen molecule are

Question # 22

Which of the element is not alkali metal

Question # 23

Which property is not present in Al?

Question # 24

Boric acid cannot be used:

Question # 25

Which one of the following elements occurs free in nature?

Question # 26

The structure of white phosphorus is

Question # 27

Chief ore of aluminium is:

Question # 28

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 29

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 30

Chile saltpetre has the chemical formula

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQ`s Test

  • N
    Nasreen Sardar 09 - Jun - 2023 05 Min 45 Sec 115/120
  • T
    Tasawar Hussain 22 - Feb - 2024 04 Min 52 Sec 110/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 57 Sec 105/120
  • O
    Omer Farooq 11 - Mar - 2023 13 Min 21 Sec 100/120
  • R
    Rana Muzamil 11 - Mar - 2024 05 Min 18 Sec 90/120
  • A
    Arian Ahmed 07 - Mar - 2024 00 Min 05 Sec 75/120
  • A
    Anibullah Anib 26 - Feb - 2024 09 Min 31 Sec 75/120
  • G
    Gulbaz Nadeem 14 - May - 2024 09 Min 43 Sec 75/120
  • C
    Chhabibullah1492 Habib 26 - Feb - 2024 11 Min 13 Sec 75/120
  • D
    Daim Ali 05 - Dec - 2023 04 Min 00 Sec 70/120
  • A
    Ahmed Ashraf 12 - Mar - 2023 02 Min 24 Sec 65/120
  • A
    Azeema Siddique Muhammad Siddique 06 - Mar - 2024 03 Min 52 Sec 65/120
  • F
    Fatima Isfa 26 - Feb - 2024 08 Min 58 Sec 65/120
  • N
    Naheed Yasir 29 - May - 2024 06 Min 39 Sec 60/120
  • Z
    Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120

ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
2 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
3 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
4 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
5 Identify the incorrect statement with respect to ozone
A. Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
B. Ozone is more reactive than diaoxygen
C. Ozone is diamagnetic whereas dioxygen is paramagnetic
D. Ozone protects the earth's inhabitants by absorbing gamma-radiations
6 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
7 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
8 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
9 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
10 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron

Test Questions