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:

Of the following radiations, the most easily stopped by air

A) alpha - rays B) beta - rays
C) gamma -rays D) x - rays
 
Answer & Explanation Answer: A) alpha - rays

Explanation:
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Filed Under: Chemistry

2 4256
Q:

Gamma rays are

A) high energy electrons B) low energy electrons
C) high energy electromagnetic D) high energy positrons waves
 
Answer & Explanation Answer: C) high energy electromagnetic

Explanation:
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Filed Under: Chemistry

1 2518
Q:

A particle which is similar to electron is

A) positron B) beta particle
C) photon D) mason
 
Answer & Explanation Answer: B) beta particle

Explanation:
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10 6588
Q:

A particle which is four times in mass and two times in charge that of proton is

A) helium atom B) an alpha particle
C) deuteron D) tritium
 
Answer & Explanation Answer: B) an alpha particle

Explanation:
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3 3849
Q:

Electromagnetic radiation with maximum wavelength is

A) ultraviolet B) radio waves
C) x-rays D) infrared
 
Answer & Explanation Answer: B) radio waves

Explanation:
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42 10203
Q:

Neutrino has

A) charge +1, mass 1 B) charge 0, mas 0
C) charge -1,mass 1 D) charge 0, mass 1
 
Answer & Explanation Answer: B) charge 0, mas 0

Explanation:
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5 3972
Q:

Discovery of the nucleus of an atom was due to the experiment carried out by

A) Bohr B) Rutherford
C) Moseley D) Thomson
 
Answer & Explanation Answer: B) Rutherford

Explanation:
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8 5945
Q:

The charge on positron is equal to the charge on

A) proton B) electron
C) alpha- particle D) neutron
 
Answer & Explanation Answer: A) proton

Explanation:
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19 8275