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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:

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Important Questions on The p-Block Elements

MEDIUM

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

HARD
For compound having the formula GaAlCl4, the correct option from the following is
EASY
The increasing order of atomic radii of the following group 13 elements is
HARD
The correct order of atomic radii in group 13 elements is 
EASY
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
Assertion : Boron forms only covalent compounds.
Reason : Due to small size of boron, the sum of its first three ionisation enthalpies very high.
MEDIUM
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
Which one of the following correctly represents the variation of electronegativity with atomic number (Z) of group 13 elements?
EASY
Which of the following elements has the highest ionisation energy?
HARD
Ionisation enthalpy (i H1 kJ mol1) for the elements of Group 13 follows the order.
MEDIUM
When Diborane B2H6 reacts with O2 and H2O independently, then products formed are:
HARD
Which one of the following correctly represents the variation of electronegativity (EN) with atomic number (Z) of group 13 elements?
EASY
Which of the following is correct with respect to the order of atomic radius? 
MEDIUM
The correct order of stability of Al+,Al+2.Al+3 is:
EASY
Which one of the following represents the correct order of ionization energy?