EASY
Earn 100

Identify the correct statements about Boron.
I. It has high melting point.
II. It has high density.
III. It has high electrical conductivity
IV. B-10 isotope of it has high ability to absorb neutrons

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Important Questions on The p-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements

Given below are two statements:

Statement I: The decrease in first ionization enthalpy from B to Al is much larger than that from Al to Ga.

Statement II: The d orbitals in Ga are completely filled.

In the light of the above statements, choose the most appropriate answer from the options given below

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Which of the following statement is incorrect?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements

Inorganic graphite is      

HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Which one of the following elements will remain as liquid inside pure boiling water?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
The alloy used in the construction of aircrafts is:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
What is the atomicity of aluminium phosphate?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
When borax is dissolved in water, it gives an alkaline solution. The alkaline solution consists the following products
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
The increasing order of atomic radii of the following group 13 elements is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements

Given below are two statements:

Statement I: Boron is extremely hard indicating its high lattice energy.

Statement II: Boron has highest melting and boiling point compared to its other group members.

In the light of the above statements, choose the most appropriate answer from the options given below

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
The metal that has very low melting point and its periodic position is closer to a metalloid is
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Order of standard reduction potentialM3+→M+ 3e- of group 13?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Write a short note on Electrical conductivity of group 13 elements.
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
An element with a very low melting point but considerably high boiling point is:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements

Give reason why: Aluminium wire is used to make transmission cables.

HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Write a short note on 'Boron is an Insulator'.
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Correct order of melting points of 13th group elements?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Why aluminum wire is generally used in power transmission lines and local power distribution lines.
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Copper wire have more electrical conductive efficiency than Aluminium wire if both wire have same weight
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
Boron has an exceptionally high melting point in the group 13th elements, because -
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 13 Elements
The elements having the maximum and minimum melting points among the members of group 13 are respectively -