164
Q:

Among the following the maximum covalent character is shown by the compound

(1)MgCl2

(2)FeCl2

(3)SnCl2

(4) AlCl3

A) Option 1 B) Option 2
C) Option 3 D) Option 4

Answer:   D) Option 4



Explanation:

According to Fajans rule, cation with greater charge and smaller size favours covalency.

Subject: Chemistry
Exam Prep: AIEEE
Q:

Which of the following is not soluble in water?

A) Lead sulphate B) Zinc sulphate
C) Potassium sulphate D) Sodium sulphate
 
Answer & Explanation Answer: A) Lead sulphate

Explanation:
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1 1258
Q:

__________gives hardness to stainless steel.

A) Zinc B) Carbon
C) Lead D) Tin
 
Answer & Explanation Answer: B) Carbon

Explanation:
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1 1000
Q:

The most pure form of carbon among the options is

A) Anthracite B) Lampblack
C) Graphite D) Wood Charcoal
 
Answer & Explanation Answer: A) Anthracite

Explanation:
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0 1187
Q:

What is the product formed when sodium bicarbonate is heated strongly?

A) Sodium Carbonate B) Sodium Hydroxide
C) Sodium Peroxide D) Sodium Monoxide
 
Answer & Explanation Answer: A) Sodium Carbonate

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0 1327
Q:

What happens in an oxidation reaction?

A) Protons are lost. B) Electrons are lost
C) Neutrons are lost. D) Electrons are gained.
 
Answer & Explanation Answer: B) Electrons are lost

Explanation:
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1 885
Q:

Which among the following has the maximum density?

A) Water B) Ice
C) Ethylene D) Acetone
 
Answer & Explanation Answer: A) Water

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0 1472
Q:

Bauxite is an ore/mineral of

A) Aluminium B) Beryllium
C) Lead D) Tin
 
Answer & Explanation Answer: A) Aluminium

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1 1090
Q:

The mass of proton and mass of ________ is same.

A) Neutron B) Electron
C) Isoprone D) Alpha particle
 
Answer & Explanation Answer: A) Neutron

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2 1100