JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 23 January 2026 Paper Shift -1 Single Correct MCQ
Published on: August 23, 2026

The correct statements from the following are :

A
Ionic radii of trivalent cations of group 13 elements decreases down the group.
A and C only
B
Electronegativity of group 13 elements decreases down the group.
A and D only
C
Among the group 13 elements, Boron has highest first ionisation enthalpy.
C and D only
D
The trichloride and triiodide of group 13 elements are covalent in nature. Choose the correct answer from the otpions given below :
B and D only

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Text Solution

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The correct answer is:
C

: ionic size


Trichlorides and triiodides of group elements are covalent in nature

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