MEDIUM
Earn 100

Given below are two statements :

Statement I: In group 13, the stability of +1 oxidation state increases down the group.

Statement II: The atomic size of gallium is greater than that of aluminium.

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

55.47% studentsanswered this correctly

Important Questions on The p-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction 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>General Introduction of Group 13 Elements
What is the atomicity of aluminium phosphate?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
For compound having the formula GaAlCl4, the correct option from the following is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction 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>General Introduction of Group 13 Elements
Boron mainly forms covalent compounds due to its
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
The correct order of atomic radii in group 13 elements is 
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
The exhibition of highest co-ordination number depends on the availability of vacant orbitals in the central atom. Which of the following elements is not likely to act as central atom in MF63–?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Assertion : Boron forms only covalent compounds.
Reason : Due to small size of boron, the sum of its first three ionisation enthalpies very high.
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction 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>General Introduction of Group 13 Elements
Which one of the following correctly represents the variation of electronegativity with atomic number (Z) of group 13 elements?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which of the following elements has the highest ionisation energy?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which of the following pairs has almost same radii?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which of the following statements is correct?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Ionisation enthalpy (∆i H1 kJ mol–1) for the elements of Group 13 follows the order.
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
When Diborane B2H6 reacts with O2 and H2O independently, then products formed are:
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which one of the following correctly represents the variation of electronegativity (EN) with atomic number (Z) of group 13 elements?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Incorrect statement about diborane is:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which of the following is correct with respect to the order of atomic radius? 
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
The correct order of stability of Al+,Al+2.Al+3 is:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 13 Elements
Which one of the following represents the correct order of ionization energy?