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

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

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 # 2

The most acidic of the following compounds is

Question # 3

What is chrome yellow?

Question # 4

Which is used in navigational equipments?

Question # 5

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 # 6

______ is called milk of magnesia

Question # 7

Crystalline form of sulphur stable at room temperature is

Question # 8

White phosphorus is

Question # 9

Which shows maximum catenation property?

Question # 10

The maximum number of electrons in the outermost shall of s-black elements is

Question # 11

White P when boiled with strong solution of caustic soda produces

Question # 12

Which of the following is the hardest metal among following

Question # 13

Hybridized in oxygen is:

Question # 14

Which of the following is lighter

Question # 15

Which of the following sulphates is not soluble in water

Question # 16

Which one of the following elements occurs free in nature?

Question # 17

Which is an essential constituent of chlorophyll

Question # 18

Down's cell is used to prepare

Question # 19

Boric acid cannot be used:

Question # 20

CaC2on hydrolysis form

Question # 21

Sulphuric acid has great affinity for water because

Question # 22

Which property is not present in Al?

Question # 23

Bond angle is minimum for

Question # 24

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 25

Which of the following elements is most metallic?

Question # 26

Chile saltpetre has the chemical formula

Question # 27

Electron affinity of sulphur is

Question # 28

Calcium carbide reacts with water to produce

Question # 29

Basicity of orthoposphoric acid is

Question # 30

Which of the following is a tetrabasic acid?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
2 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
3 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
4 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
5 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
6 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
7 Which of all following compound is not possible
8 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
9 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
10 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge

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