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Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced PDF Download

Q.1. The basicity of orthophosphoric acid is

Ans. 3
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced
3 - OH groups are present hence it is tribasic.


Q.2. Dissociation of H3PO4 occurs in following stages

Ans. 3
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced


Q.3.  The P-P-P bond angle in white phosphorus is

Ans. 90º
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced


Q.4. The number of hydroxyl group in pyrophosphoric acid is

Ans. 4
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced


Q.5. The number of unpaired electrons in the p-subshell of oxygen atom is

Ans. 2
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced


Q.6. What is the oxidation number of Hg in iodide of Millon's base 

Ans. 2
Integer Answer Type Questions for JEE: The p-Block Elements | Chapter-wise Tests for JEE Main & Advanced


Q.7. Solid phosphorus pentachloride contains a cation and a anion. The number of chorine atom present in one unit of cation is 

Ans. 4
2PCl5 → PCl+4 + PCl-6     


Q.8. How many compounds among the following are less acidic than BI3. BBr3, BCI3, BF3, Bl3 

Ans. 3
BI3 > BBr3 > BCI3 > BF3 


Q.9. In boron nitirde (BN)x and Borazine (B3N3H6) how many orbitals are required for hybridization at Boron and nitrogen atoms. 

Ans. 3
sp2 hybridization


Q.10. Among N, P, As, Sb, Bi how many no. of elements can not form pentahalides.

Ans. 1
Only Nitrogen can not form penta Halide. 

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