Group 13 Elements: JEE Questions & Solutions

The correct statements from the following are: A. Ionic radii of trivalent cations of group 13 elements decreases down the group. B.…

Given below are the pairs of group 13 elements showing their relation in terms of atomic radius. ( B< Al),( Al< Ga),( Ga< In) and ( In< Tl)…

The correct statements from the following are: (A) Tl^3+ is a powerful oxidising agent (B) Al^3+ does not get reduced easily (C) Both Al^3+…

Given below are two statements: Assertion (A): Melting point of Boron (2453 K) is unusually high in group 13 elements. Reason (R): Solid…

Match List-I with List-II: List-I | List-II A. Melting point ( K) | I. Tl In Ga Al B B. Ionic Radius (M^+3/ pm) | II. B Tl Al ≈ Ga In C. i…

The Lewis acid character of boron tri halides follows the order:

Group-13 elements react with O2 in amorphous form to form oxides of type M2O3 (M = element). Which among the following is the most basic…

Which one of the following elements will remain as liquid inside pure boiling water?

Group–13 elements react with O2 in amorphous form to form oxides of type M2O3 (M = element). Which among the following is the most basic…

For compound having the formula GaCl3, the correct option from the following is:

Given below are two statements: Statement I: Boron is extremely hard indicating its high lattice energy. Statement II: Boron has the…