List of top Chemistry Questions on Group 13 Elements asked in AP EAPCET

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)?

Which of the following alkali metals has the lowest melting point?

In diborane ($\text{B}_2\text{H}_6$), the number of bridge hydrogens is

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?