The structures of beryllium chloride in solid state and vapour phase, are :

A. Chain and dimer, respectively 

B. Linear in both 

C. Dimer and Linear, respectively 

D. Chain in both


Solution: A

Structure of Beryllium Chloride in solid state: In solid state, BeCl2 combines with another BeCl2 to give Be2Cl4 by forming a coordinate bond and forms chain like structure. 




Structure of Beryllium Chloride in vapour state: In vapour state, BeCl2 exists as a single molecule having a linear structure Cl-Be-Cl and a bridged dimer. 


Hence, option (A) is correct.

NOTE: This question was asked in Chemistry section of NEET 2021 exam. The same question was asked in JEE Mains 2019 Exam.

You can also study about Chemical Compounds, their formula and uses. 

Comments

Post a Comment

Popular posts from this blog

Which one of the following statements concerning research centres in India is not correct? (UPSC CDS II 2016 GK paper)

 A. Rajiv Gandhi Centre for Biotechnology is located at Kolkata. B. Central Arid Zone Research Institute is located at Jodhpur. C. Centre for Social Forestry and Eco-Rehabilitation is located at Allahabad. D. Institute of Forest Productivity is located at Ranchi. Solution: A Rajiv Gandhi Centre for Biotechnology is an autonomous institute of the Department of Biotechnology. It is located in Thiruvananthapuram, Kerala. Central Arid Zone Research Institute is an autonomous organisation that works under the aegis of the Department of Agricultural Research and Education. It is one of the biggest research institutes of ICAR. It is located in Jodhpur, Rajasthan. Centre for Social Forestry and Eco-Rehabilitation is located in Prayagraj, Uttar Pradesh. It aims to nurture and cultivate professional excellence in the field of social forestry and eco-rehabilitation.  Institute of Forest Productivity is a research institute under the Indian Council of Forestry Research and Education. It i...
Read more

Who among the following wrote the novel ‘Rangbhumi: The Arena of Life’? (SSC CGL 13 AUGUST 2021 SHIFT 2 GK)

A. Abindranath Tagore B. Mahatma Gandhi C. Munshi Premchand D. Rabindranath Tagore Solution: C Munshi Pemchand wrote the novel 'Rangbhumi: The Arena of Life'. The novel features an idealist protagonist inspired by Gandhian values.  Some of the works of Gandhiji are My Experiments with Truth and Hind Swaraj. Rabindranath Tagore was awarded the Nobel Prize in Literature for his work "Geetanjali". Hence, option (C) is correct. Read about Books and Authors of Medieval India . 
Read more