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

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 2

Which colour is imparted by sodium

Question # 3

Red P can be obtained form white P by

Question # 4

Borax is hydrated:

Question # 5

Which of the following fluorides does not exists?

Question # 6

Pb has inert pair of electrons:

Question # 7

The structure of white phosphorus is

Question # 8

Which of the following phosphorus is most reactive?

Question # 9

Lithium reacts with air to form

Question # 10

______ is used in breathing equipments for mountaineers and in space craft

Question # 11

______ reacts with alkalis to give hydrogen

Question # 12

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 # 13

Which salt is used for the treatment of hyperacidity in stomach

Question # 14

Baking powder has which one of the following formula

Question # 15

P2O5is heated with water to give

Question # 16

The alkaline earth elements have in their s-orbital

Question # 17

Marble is chemically

Question # 18

Which one of the following does not belong to alkaline earth metals

Question # 19

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 20

CaC2on hydrolysis form

Question # 21

The electrolytic cell used for the production of metallic sodium is known as

Question # 22

The acid which has a peroxy linkage is

Question # 23

Which shows maximum catenation property?

Question # 24

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 # 25

Corrundam is ore of:

Question # 26

Gypsum is applied to the soil to provide calcium and

Question # 27

Which of the following salt is soluble in water

Question # 28

A compound used as eye wash:

Question # 29

Crystalline form of sulphur stable at room temperature is

Question # 30

The silver bromide in hypo (Na2S2O3) solution is

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Sr.# Question Answer
1 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
2 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
3 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
4 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
5 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
6 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
7 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
8 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
9 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
10 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

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