List of top Chemistry Questions on Group 13 Elements asked in KEAM

Which of the following elements have the highest and the lowest first ionization enthalpy?
(i) Be (ii) B (iii) C (iv) N (v) O

Find the order of metallic radius of
Mg, Li, Be, B, Al

Choose the correct statements about diborane. I. It is prepared by the oxidation of sodium borohydride with iodine. II. It undergoes cleavage reactions with Lewis bases to give borane adducts. III. It is produced on an industrial scale by the reaction of \(BF_3\) with \(LiAlH_4\). IV. It is readily hydrolysed by water to give borazine. V. It burns in oxygen and gives boron trioxide.

Select the most appropriate statement. In BF$_3$

The second ionization enthalpy of which of the following alkaline earth metals is the highest?

The hybridized state of $Al^{3+}$ in the complex ion formed when $AlCl_3$ is treated with aqueous acid is

The relative strengths of trichlorides of boron group to accept a pair of electron is given by

The group 13 element that is liquid during summer and used for measuring high temperature is

When BH is heated with NH, the final product is