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:

______________ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

A) B) Glycogen
C) Pectin D) Chitin
 
Answer & Explanation Answer: B) Glycogen

Explanation:
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1 1013
Q:

Which of the following is also used as a Bio fertilizer?

A) Urea B) Ammonia
C) Uric Acid D) Nitrates
 
Answer & Explanation Answer: B) Ammonia

Explanation:
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1 1242
Q:

Which among the following is used to generate light, to weld metals?

A) Ethylene B) Acetylene
C) Glycol D) Oxalic acid
 
Answer & Explanation Answer: B) Acetylene

Explanation:
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0 911
Q:

Which of the following is false?

A) Hydrogen atom is roughly a third of the mass of tritium B) Deuterium is called heavy hydrogen
C) Deuterium atom has 1 neutron D) Protium is the rarest isotope of hydrogen
 
Answer & Explanation Answer: D) Protium is the rarest isotope of hydrogen

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1 703
Q:

Methane an air pollutant is produced ______.

A) by action of ultraviolet light on nitrogenous compounds. B) as a by-product of manufacturing ammoniacal fertilizers
C) by burning of coal in insufficient air D) by digestion of food by animals
 
Answer & Explanation Answer: D) by digestion of food by animals

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1 998
Q:

Atomic number of which of the following elements is greater than that of Copper?

A) Iron B) Chromium
C) Zinc D) Manganese
 
Answer & Explanation Answer: C) Zinc

Explanation:
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0 989
Q:

______ is used for making chemical apparatus like beakers, flasks etc.

A) Potash glass B) Hard glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: B) Hard glass

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0 1240
Q:

_______ is an anaesthetic agent.

A) Acetylene B) Glycol
C) Diethylether D) Ethylene
 
Answer & Explanation Answer: C) Diethylether

Explanation:
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4 956