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Boron has an exceptionally high melting point in the group 13th elements, because–

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Important Questions on The p-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
What is the atomicity of aluminium phosphate?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
Which of the following statement is incorrect?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements

Inorganic graphite is      

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and 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

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and 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>Atomic and Physical Properties of Group 13 Elements
The metal that has very low melting point and its periodic position is closer to a metalloid is
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and 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>Atomic and Physical Properties of Group 13 Elements
The alloy used in the construction of aircrafts is:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
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
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
Which one of the following elements will remain as liquid inside pure boiling water?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
The increasing order of atomic radii of the following group 13 elements is
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
The elements having the maximum and minimum melting points among the members of group 13 are respectively -
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and 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>Atomic and Physical Properties of Group 13 Elements
Correct order of melting points of 13th group elements?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and 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>Atomic and Physical Properties of Group 13 Elements
The liquefied metal that expands on solidification is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
Which one of the following represents the correct order of ionization energy?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
The increasing order of atomic radii of the following group 13 elements is
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
An element X which occurs in the first short period has an outer electronic structure s2p1. What are the formula and acid-base character of its oxides?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 13 Elements
The elements having the maximum and minimum melting points amongst the members of the group 13 respectively are