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:

The melting point of ice is ____ K.

A) 253.16 B) 263.16
C) 273.16 D) 283.16
 
Answer & Explanation Answer: C) 273.16

Explanation:
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1 1197
Q:

________ is made by mixing iron with carbon and metals like chromium, nickel and manganese.

A) Ship B) Stainless Steel
C) Rust D) Ozone
 
Answer & Explanation Answer: B) Stainless Steel

Explanation:
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2 1368
Q:

Which of the following is also known as Carbolic Acid?

A) Phenol B) Hydroxide
C) Sulphuric Acid D) Ethanol
 
Answer & Explanation Answer: A) Phenol

Explanation:
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5 1360
Q:

Which of the following is NOT a primary green house gas in the earth's atmosphere?

A) Methane B) Ozone
C) Nitrous oxide D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

Explanation:
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7 1114
Q:

Which of the following is a chemical formula of quicklime?

A) Ca2O B) Ca2CO3
C) CaO2 D) CaO
 
Answer & Explanation Answer: D) CaO

Explanation:
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3 1353
Q:

What is the common name of Sodium Bicarborate?

A) Baking Soda B) Washing Powder
C) Plaster of Paris D) Fly Ash
 
Answer & Explanation Answer: A) Baking Soda

Explanation:
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3 1278
Q:

What are the main components of Brass Alloy?

A) Copper and Zinc B) Copper and Strontium
C) Copper, Zinc and Nickel D) Copper and Nickel
 
Answer & Explanation Answer: A) Copper and Zinc

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3 1181
Q:

What is an exothermic reaction?

A) Reaction in which heat is released. B) Reaction in which heat is absorbed.
C) Reaction in which neither heat is released nor absorbed. D) None
 
Answer & Explanation Answer: A) Reaction in which heat is released.

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3 1282