AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
Assertion : \(\mathrm{AlCl}_3\) exists as a dimer through halogen bridged bonds.
Reason : \(\mathrm{AlCl}_3\) gets stability by accepting electrons from the bridged halogen.
- A Both (A) and (R) are true and (R) is the correct explanation of (A)
- B Both (A) and (R) are true but (R) is not the correct explanation of (A)
- C (A) is true, but (R) is false
- D (A) is false, but (R) is true
Answer & Solution
Correct Answer
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
Step-by-step Solution
Detailed explanation
\(\mathrm{AlCl}_3\) exists as a dimer through halogen bridged bonds. In dimer \(\mathrm{Al}_2 \mathrm{Cl}_6\) aluminium completes its octet through coordinates bond by chloine atom.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The correct statements with respect to halides of group 14 elements are
I. Both \(\mathrm{CCl}_4\) and \(\mathrm{SiCl}_4\) undergo hydrolysis
II. \(\mathrm{GeX}_4\) is more stable than \(\mathrm{GeX}_2\)
III. \(\mathrm{PbX}_4\) is less stable than \(\mathrm{PbX}_2\)
IV. Stability of dihalides decreases down the group.AP EAMCET 2022 Medium -

The correct statements about \(Z\) from the following are:
I. It is o-hydroxybenzoic acid.
II. It is a non-narcotic analgesic.
III. It acts as antipyretic.
IV. It acts as antihistamine.AP EAMCET 2018 Easy - The AT/GC ratio in human beings is (where \(\mathrm{A}=\) adenine, \(\mathrm{T}=\) thymine, \(\mathrm{G}=\) Guanine, \(\mathrm{C}=\) cytosine)AP EAMCET 2010 Hard
- The standard electrode potential (in V) values for \(\mathrm{Al}^{3+}\) / \(\mathrm{Al}, \mathrm{Tl}^{3+} / \mathrm{T} 1\) are respectivelyAP EAMCET 2023 Easy
- of Oxalic acid is dissolved in order to obtain of its solution. Find the normality of this solution. [Oxalic acid:AP EAMCET 2021 Easy
- In the electrolysis of a solution, how many grams of are plated out on the cathode, in the time that is required to liberate of , measured at and , at the anode?AP EAMCET 2021 Medium
More PYQs from AP EAMCET
- A radioactive sample has an activity \(A\) in air. If the sample is kept inside water, then its activity \(A^{\prime}\)AP EAMCET 2020 Easy
- \(f: R \rightarrow R\) and \(g: R \rightarrow R\) are two functions such that \(f(x)=x^2\) and \(g(x)=\frac{1}{x^2}\), then \(x^4(f \circ g)(x)\) is equal toAP EAMCET 2021 Easy
- Two moles of helium gas \(\left(\gamma=\frac{5}{3}\right)\) at \(27^{\circ} \mathrm{C}\) is expanded at constant pressure until its volume is doubled. Then it undergoes an adiabatic change until the temperature returns to its initial value. The work done during adiabatic process is (universal gas constant \(=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\) )AP EAMCET 2017 Easy
- If \({ }^{n-3} C_r+B^{n-3} C_{r-1}+B^{\prime n-3} C_{r-2}+{ }^{n-3} C_{r-3}\) \(={ }^n C_r\) holds. for all \(n \geq r \geq 3\), then \(\left(B \cdot B^{\prime}\right)=\).AP EAMCET 2022 Hard
- A body is projected horizontally from the top of a tower of height \(180 \mathrm{~m}\) with a velocity of \(20 \mathrm{~ms}^{-1}\). If acceleration due to gravity is \(10 \mathrm{~ms}^{-2}\), then match the following.

\(\begin{array}{llll}A & B & C & D\end{array}\)AP EAMCET 2018 Medium - Isomerisation of gaseous cyclobutene to butadiene is a first order reaction. At \(\mathrm{T}(\mathrm{K})\), the rate constant of the reaction is \(3.3 \times 10^{-4} \mathrm{~s}^{-1}\). What is the time required (in min ) to complete \(90 \%\) of this reaction at the same temperature? \((\log 2=0.3)\)AP EAMCET 2019 Hard