Retro (Past 13 Year) IIT-JEE Advanced (P Block Elements) - JEE MCQ

The reactions of Cl₂ gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two (different) oxoacids of chlorine, P and Q, respectively. The Cl₂ gas reacts with SO₂ gas in the presence of charcoal, to give a product R. R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus T.

Q. 

P and Q respectively, are the sodium salts of

(2013 Adv., Comprehension Type)

The reactions of Cl₂ gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two (different) oxoacids of chlorine, P and Q, respectively. The Cl₂ gas reacts with SO₂ gas in the presence of charcoal, to give a product R. R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus T.

Q. 

R, S and T respectively, are

The unbalanced chemical reactions given in Column I show missing reagent or condition (?) which are provided in Column II. Match Column I with Column II and select the correct answer using the codes given below.

Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.

Q. 

25 mL of household bleach solution was mixed with 30 mL of 0.50 M Kland 10 mL of 4 N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na₂S₂O₃ was used to reach the end point. The molarity of the household bleach solution is

(2012, Comprehension Type)

Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.

Q. 

Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is

Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?

(2012, Only One Option Correct Type)

The reaction of white phosphorus with aqueous NaOH gives phosphine along with another phosphorus containing compound. The reaction type; the oxidation states of phosphorus in phosphine and the other product respectively are 

The shape of XeO₂F₂ molecules is 

Extra pure N₂ can be obtained by heating

Reaction of Br₂ with Na₂CO₃ in aqueous solution gives sodium bromide and sodium bromate with evolution of CO₂ gas. The number of sodium bromide molecule involved in the balanced chemical equation is 

(2011, Interger Type)

Among the following, the number of compounds that can react with PCI₅ to give POCl₃ is O₂, CO₂, SO₂, H₂O, H₂SO₄, P₄O₁₀

All the compounds listed in Column I react with water. Match the result of the respective reactions with the appronate options listed in Column II.

The reaction of P₄ with X leads selective to P₄O₆. The X is

The nitrogen oxide(s) that contain(s) N—N bond(s) is(are)

Aqueous solution of Na₂S₂O₃ on reaction with Cl₂ gives

(2008, Only One Option Correct Type)

Passage for Q. Nos. (19-21)

There are some deposits of nitrates and phosphates in earth’s crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of NH₃ and PH₃. Phosphine is a flammable gas and is prepared from white phosphorus.

Q. 

Among the following, the correct statement is

 (2008, Comprehension Type)

There are some deposits of nitrates and phosphates in earth’s crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of NH₃ and PH₃. Phosphine is a flammable gas and is prepared from white phosphorus.

Q. 

 Among the following, the correct statement is

There are some deposits of nitrates and phosphates in earth’s crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of NH₃ and PH₃. Phosphine is a flammable gas and is prepared from white phosphorus.

Q. 

White phosphorus on reaction with NaOH gives PH₃ as one of the products. This is a

The percentage of p-character in the orbitals form ing P—P bonds in P₄ is

(2007, Only One Option Correct Type)

Passage for Q. Nos. (23-25)

The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other interatomic interactions.
The direct reaction of xenon with fluorine leads to a series of compounds with oxidation numbers + 2, + 4 and + 6. XeF₄ reacts violently with water to give XeO₃. The compounds of xenon exhibit rich stereochemisty and their geometries can be deduced considering the total- number of electron pairs in the valence shell.

Q. 

Argon is used in arc welding because of its

The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other interatomic interactions.
The direct reaction of xenon with fluorine leads to a series of compounds with oxidation numbers + 2, + 4 and + 6. XeF₄ reacts violently with water to give XeO₃. The compounds of xenon exhibit rich stereochemisty and their geometries can be deduced considering the total- number of electron pairs in the valence shell.

Q. 

The structure of XeO₃ is

The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other interatomic interactions.
The direct reaction of xenon with fluorine leads to a series of compounds with oxidation numbers + 2, + 4 and + 6. XeF₄ reacts violently with water to give XeO₃. The compounds of xenon exhibit rich stereochemisty and their geometries can be deduced considering the total- number of electron pairs in the valence shell.

Q. 

XeF₄ and XeF₆ are expected to be

Which of the following will not be oxidised by O₃? 

Which gas is evolved when PbO₂ is treated with conc. HNO₃? 

(2005, Only One Option Correct Type)

A pale blue liquid which obtained by equimolar mixture of two gases at - 30°C is

(2005, Only One Option Correct Type)

Which of the following isomers of phosphorus is thermodynamically most stable?