p-Block Elements · Chemistry · JEE Advanced

The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are

At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid $\left(\mathrm{HNO}_2\right)$ gives the species

The increasing order of atomic radii of the following group 13 elements is

The product formed in the reaction of SOCl₂ with white phosphorus is

Under ambient conditions, the total number of gases released as products in the final step of the reaction scheme shown below is

R, S and T respectively, are

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

Concentrated nitric acid, upon long standing, turns yellow-brown due to the formation of

The reaction of white phosphorous 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 are, respectively,

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

25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 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

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

Extra very pure N₂ can be obtained by heating

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

Match each of the reactions given in Column I with the corresponding product(s) given in Column II:

The reaction of P$$_4$$ with X leads selectively to P$$_4$$O$$_6$$. The X is

Statement 1 : Pb$$^{4+}$$ compounds are stronger oxidising agents than Sn$$^{4+}$$ compounds.

and

Statement 2 : The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair effect'.

Among the following, the correct statement is:

Among the following, the correct statement is :

White phosphorus on reaction with NaOH gives PH$$_3$$ as one of the products. This is a:

The nitrogen containing compound produced in the reaction of HNO₃ with P₄O₁₀

The correct statements regarding (i) HClO, (ii) HClO₂, (iii) HClO₃ and (iv) HClO₄ is (are)

The correct statement(s) about O₃ is(are)

With respect to graphite and diamond, which of the statement(s) given below is(are) correct?

Which of the following hydrogen halides reacts with AgNO₃(aq.) to give a precipitate that dissolves in Na₂S₂O₃ (aq.) ?

In the reaction

$$\mathrm{2X+B_2H_6\to[BH_2(X)_2]^+[BH_4]^-}$$

the amine(s) X is(are) :

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

A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after sometime. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is(are):

Dissolving $1.24 \mathrm{~g}$ of white phosphorous in boiling $\mathrm{NaOH}$ solution in an inert atmosphere gives a gas $\mathbf{Q}$. The amount of $\mathrm{CuSO}_{4}$ (in g) required to completely consume the gas $\mathbf{Q}$ is _________.

[Given: Atomic mass of $\mathrm{H}=1, \mathrm{O}=16, \mathrm{Na}=23, \mathrm{P}=31, \mathrm{~S}=32, \mathrm{Cu}=63$ ]

Three moles of B₂H₆ are completely reacted with methanol. The number of moles of boron containing product formed is ____________.

The number of lone pairs of electrons in N₂O₃ is ___________.

Among the following, the number of compounds that can react with PCl₅ to given POCl₃ is _____________.

O₂, CO₂, SO₂, H₂O, H₂SO₄, P₄O₁₀

The value of $$n$$ in the molecular formula $$\mathrm{Be_n Al_2Si_6O_{18}}$$ is ___________.

The total number of diprotic acids among the following is:

H₃PO₄, H₂SO₄, H₃PO₃, H₂CO₃, H₂S₂O₇, H₃BO₃, H₃PO₂, H₂CrO₄ and H₂SO₃