Inorganic Chemistry> why co2 is a gas but sio2 is a solid(c an...

why co2 is a gas but sio2 is a solid(c and si are same group)?

T.kumar , 10 Years ago

Grade 12

14 Answers

SAI SARDAR

CO₂ IS A SIMPLE LINEAR STRUCTURE , BUT SIO₂ IS A POLYMERIC GIANT MOLECULE BECAUSE IT DOES NOT FORM PI BOND DUE TO LARGE ATOMIC SIZE.

Approved

Last Activity: 10 Years ago

Prabhakar ch

IS A POLYMERIC GIANT MOLECULE BECAUSE IT DOES NOT FORM PI BOND DUE TO LARGE ATOMIC SIZE.all the best for your bright future₂ IS A SIMPLE LINEAR STRUCTURE , BUT SIO₂CO

Last Activity: 10 Years ago

RAMCHANDRARAO

co2 has simple linear structure it exists as discrete molecule but sio₂ has giant molecular structure it exists as polymeric structure that’s why co₂ exist as gas sio₂ exist as solid

Last Activity: 10 Years ago

Dheeru chowdary

Though C & si belongs to the same group, si has more metalic charecter compare with c ,

c02 is a simple linear molecule whereas the sio2 has wide network and exists as a solid

Last Activity: 10 Years ago

Gaddam Chethan

Hello Kumar

CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen.

Last Activity: 10 Years ago

NAGOORVALI

co2 is simple molecular structure at room temperature where as so2 is gaint molecular structure so it is solid

Last Activity: 10 Years ago

N JYOTHEESWAR

hai kumar

co2 is gas but sio2is solid because the sio2 is in giant molecular structure but the co2 is simple molecular structure.because of this reason co2 is gas but sio2 is solid.

Last Activity: 10 Years ago

Gowri sankar

HAI KUMAR, CO2 IS GAS BUT SIO2 IS SOLID BESAUSE OF THE SIO3 IS AN GAINT MOLECULAR STRUCTURE BUT THE CO2 IS SIMPLE MOLECULAR STRUCTURE.BECAUSE OF THIS REASON CO2 IS GAS BUT SIO2 IS A SOLID

Last Activity: 10 Years ago

raj

hellow kumar the sio2 molecule has gaint molecular structure and co2 has linear structure because of this reason the sio2 is solid and co2 is gas.

Last Activity: 10 Years ago

mohan

dear kumar..........

co2 is a gas due liener structure...but sio2 is a solid because of it has joit pollymoliric structure.......................................

Last Activity: 10 Years ago

jdflks

co2 has sp hybridizae.. group four so different oxidatiion statet so thats why it is also si has attached particles belong to other group and carbon has different nature........................................................................................................................................................

Last Activity: 8 Years ago

ABHI

CO2 contains 2p-2p pi bonds while SiO2 contains 3p-3p pi bonds, 3p-3p pi bonds are highly unstable so SiO2 undergoes polymerisation and becomes solid.

Last Activity: 8 Years ago

Manav Soni

In CO2 due to smaller size of C atom stable pπ-pπ bond is formed between C and O so in CO2 all valencies of C is complete. While in SiO2 due to larger size of Si can not form stable pπ-pπ bond so SiO2 form 3D network structure due to which SiO2 exist in solid state. While in CO2 molecules are hold together through weak vander Waal`s forces.

Last Activity: 8 Years ago

Shakuntala poonia

The size of c and o is small so, their p orbitals remains very close and form pie pie bond and acquire stability and also there is weak vander wal force present thats why CO2 is a gas.

Whereas in SiO2 the size of Si is large so it does not make pie pie bond and acquires stability by bonding with 4 Oxygen atom in 3D shape

Last Activity: 7 Years ago