p-Block Element...

Direction (Q. Nos. 1-7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q. 

The hybridisation of N in solid state for N₂O₅ is

PH₃ becomes spontaneously inflammable due to the presence of

Which is incorrect among the following options?

The number of P – O bonds and lone pairs of electron present in P₄O₆ molecule respectively  

Which is the correct order of basic strength ?

Solid PCl₅ and solid PBr₅ exist respectively as

Number of moles of NaOH needed to neutralise one mole each of H₃PO₂, H₃PO₃ and H₃PO₄ respectively are

Direction (Q. Nos. 8 and 9) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

Q.

Match the Column I with Column II and mark the correct option from the codes given below.

Match the Column I with Column II and mark the correct option from the codes given below.

Direction (Q. No. 10)  This section is bassed on Statment I and Statment II. II. Select the correct answer from the codes given below.

Q. 

 Statement I : NF₃ is a weaker ligand than N(CH₃)₃

Statement II : NF₃ ionises to give F^- ions in aqueous solutio