List of top Chemistry Questions on Group 13 Elements

Which of the following orders are not correct regarding first ionisation enthalpy of the given elements (I: B>Al, II: Al>Ga, III: Ga>In, IV: In>Tl)?
In diborane ($\text{B}_2\text{H}_6$), the number of bridge hydrogens is
Which of the following alkali metals has the lowest melting point?
Which of the following is not amphoteric in nature?
Alkali metals are powerful reducing agents because
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?
The maximum covalency and highest oxidation state possible of an element with \(Z=13\) are respectively:
The reaction of diborane in diethyl ether with \(X\) gives metalloborohydride. \(X\) is a
Identify the \(P\) and \(Q\) of the following reaction
\[ P+Q\longrightarrow [B(OH)_4]^-+H_3O^+ \]
Identify the correct statements about the anomalous behavior of Boron.
I. Boron trihalides can form dimeric structures.
II. Boron shows \(+1\) as stable oxidation state.
III. Maximum covalency of Boron is four.
IV. Boron does not form \(BF_6^{6-}\) ion.
Assertion (A): AlCl\(_3\) becomes stable by forming a dimer.
Reason (R): The metal ‘Al’ cannot accept electrons from bridging chlorine atom of the bridged molecule.
The formula which represents the inorganic benzene is:
The correct electronegativity order among Al, Ga, In, and Tl with respect to Pauling scale is:
The pair of ions, in which first one acts as a reducing agent and second one acts as an oxidizing agent is:
For which of the following \(+3\) oxidation state is highly oxidizing in character?
Identify the correct statements about Boron.
I. It has high melting point II. It has high density III. It has high electrical conductivity IV. B-10 isotope of it has high ability to absorb neutrons
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 :
Correct order for solubility of alkaline earth metal fluorides in water is: