CBSE 11th Standard Chemistry Subject The p-block Elements Ncert Exemplar 3 Mark Questions 2021
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CBSE 11th Standard Chemistry Subject The p-block Elements Ncert Exemplar 3 Mark Questions 2021
11th Standard CBSE
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Reg.No. :
Chemistry
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Explain the following.
Gallium has higher ionisation enthalpy than aluminium.(a) -
Explain the following.
Boron does not exist as B3+ion.(a) -
Explain the following.
Aluminium forms [AlF6]3- ion but boron does not form [BF6]3-ion.(a) -
Three pairs of compounds are given below, Identify that compound in each of the pairs which has group 13 element in more stable oxidation state. Give reason for your choice. State the nature of bonding also.
TlCl3, TlCl(a) -
Three pairs of compounds are given below, Identify that compound in each of the pairs which has group 13 element in more stable oxidation state. Give reason for your choice. State the nature of bonding also.
AlCl3, AlCl.(a)