166
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 among the following is an endothermic reaction?

A) Respiration B) Combustion
C) Sweating D) Burning of natural gas
 
Answer & Explanation Answer: C) Sweating

Explanation:
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Exam Prep: Bank Exams

0 1363
Q:

Which of the follow is the last element in Newlands Law of Octaves classification?

A) Rhodium B) Radium
C) Iron D) Thorium
 
Answer & Explanation Answer: D) Thorium

Explanation:
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1 1243
Q:

By which of the following processes are metals of high reactivity extracted from purified molten ore?

A) Reduction by an appropriate reducing agent B) Roasting
C) Electrolysis D) Calcination
 
Answer & Explanation Answer: C) Electrolysis

Explanation:
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1 1076
Q:

How many atoms are present in a (NH4)2SO4 molecule?

A) 15 B) 14
C) 13 D) 12
 
Answer & Explanation Answer: A) 15

Explanation:
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0 1259
Q:

In Mendeleev's periodic table, the properties of the elements are considered a periodic function of their:

A) Atomic mass B) Ionization enthalpy
C) Atomic size D) Atomic number
 
Answer & Explanation Answer: A) Atomic mass

Explanation:
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0 1181
Q:

Which gas is released when water is added to bleaching powder?

A) Oxygen B) Hydrogen
C) Carbon dioxide D) Chlorine
 
Answer & Explanation Answer: D) Chlorine

Explanation:
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0 1108
Q:

Atoms of same element having different mass numbers are called__________

A) Isobars B) Isotopes
C) Isotones D) Isomers
 
Answer & Explanation Answer: B) Isotopes

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Exam Prep: Bank Exams , GATE

0 1248
Q:

Decane has how many hydrogen atoms?

A) 22 B) 24
C) 11 D) 33
 
Answer & Explanation Answer: A) 22

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0 1312