List of top Chemistry Questions on Group 13 Elements

Find the order of metallic radius of
Mg, Li, Be, B, Al
The first ionisation enthalpy of Al in kJmol\(^{-1}\) is:
[Given the first ionisation enthalpy of Na, Mg and Si in kJmol\(^{-1}\) are 497, 738, and 787 respectively]
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Melting point of Boron (2453 K) is unusually high in group 13 elements.
Reason (R): Solid Boron has a very strong crystalline lattice. 
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their covalent nature.
Statement II: \( AlCl_3 \) upon hydrolysis in acidified aqueous solution forms octahedral \([Al(H_2O)_6]^{3+}\) ion.
In the light of the above statements, choose the correct answer from the options given below:
Yellow compound of lead chromate gets dissolved on treatment with hot NaOH solution. The product of lead formed is a:
Total number of \(2c-2e^{-}\) and \(3c-2e^{-}\) bonds present in diborane is _ _ _ _ _ .
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 oxide?
Number of electron deficient molecules among the following
\(PH_3, B_2H_6, CCl_4, NH_3, LiH \) and \(BCl_3\) is
Diborane on reaction with olefins forms :
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.
Correct order for solubility of alkaline earth metal fluorides in water is:
The amorphous form of silica is :
The correct statement among the following is
The number of 2 -centre- 2 -electron and 3-centre-2-electron bonds in $B _{2} H _{6}$, respectively, are :
Which of the following is the most basic oxide?
An element X occurs in short period having configuration ns²np¹. The formula and nature of its oxide is:
Select the most appropriate statement. In BF$_3$
The second ionization enthalpy of which of the following alkaline earth metals is the highest?
The relative strengths of trichlorides of boron group to accept a pair of electron is given by
The final step for the extraction of copper from copper pyrites in Bessemer converter involves the reaction.
Anhydrous AlCl$_3$ fume in air due to: