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...

Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their products given in List-II and choose the correct option....

The reaction of $\mathrm{HClO}_{3}$ with $\mathrm{HCl}$ gives a paramagnetic gas, which upon reaction with $\mathrm{O}_{3}$ produces

The reaction of $\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}$ and $\mathrm{NaCl}$ in water produces a precipitate that dissolves upon the addition of ...

A colourless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl, a white precipitate was form...

$$W$$ and $$X$$ are, respectively

$$Y$$ and $$Z$$ are, respectively

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 ...

P and Q, respectively, are the sodium salts of

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 s...

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 oxidatio...

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 ...

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

Match each of the reactions given in Column I with the corresponding product(s) given in Column II: .tg {border-collapse:collapse;border-spacing:0;}...

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 gr...

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:

This question contains STATEMENT-1 (Assertion) and STATEMENT-2 (Reason) and has 4 choices (a), (b), (c), (d) out of which ONLY ONE is correct. STATEME...

Specify the coordination geometry around and hybridisation of N and B atoms in a 1 : 1 complex of BF3 and NH3

The oxidation number of sulphur in S8,S2F2,H2S respectively, are

The compound(s) having peroxide linkage is(are)

The compound(s) which react(s) with $\mathrm{NH}_{3}$ to give boron nitride (BN) is(are)

The correct statement(s) related to oxoacids of phosphorous is(are)

With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).

Consider the following reactions (unbalanced).$$Zn + Hot\,conc.\,{H_2}S{O_4}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{}} G + R + X$$$$Zn + co...

A tin chloride Q undergoes the following reactions (not balanced)$$Q + C{l^ - } \to X$$$$Q + M{e_3}N \to Y$$$$Q + CuC{l_2} \to Z + CuCl$$X is a monoan...

Based on the compounds of group $$15$$ elements, the correct statement(s) is (are)

The compounds(s) which generate(s) $${N_2}$$ gas upon thermal decomposition below $${300^ \circ }C$$ is (are)

Among the following, the correct statement(s) is (are)

The correct statement(s) about the oxoacids, $$HCl{O_4}$$ and $$HClO$$ is (are)

The color of the $${X_2}$$ molecules of group $$17$$ elements changes gradually from yellow to violet down the group. This is due to

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

The crystalline form of borax has.

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

The correct statement(s) for orthoboric acid 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...

The species present in solution when CO2 is dissolved in water 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 ...

Among B2H6, B3N3H6, N2O, N2O4, H2S2O3 and H2S2O8, the total number of molecules containing covalent bond between two atoms of the same kind is ..........

At 143 K, the reaction of XeF4 with O2F2 produces a xenon compound Y. The total number of lone pair(s) of electrons present on the whole molecule of Y...

The total number of compounds having at least one bridging oxo group among the molecules given below is _________. $${N_2}{O_3},{N_2}{O_5},$$ $${P_4}...

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 ...