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JEE p Block Elements (Group 15, 16, 17 & 18) PYQs with Solutions

487 previous year questions from p Block Elements (Group 15, 16, 17 & 18) (JEE Main & Advanced Chemistry) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

487 questionsChemistry2007–2026Answers + solutions

About p Block Elements (Group 15, 16, 17 & 18) PYQs

p Block Elements (Group 15, 16, 17 & 18) has 487 previous year questions in the Quantrex Academy JEE Main & Advanced Chemistry bank. The 220 questions in this list come from JEE Main (165) and JEE Advanced (55), spanning 2007 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

JEE p Block Elements (Group 15, 16, 17 & 18) PYQs with Solutions

About p Block Elements (Group 15, 16, 17 & 18) PYQs

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p Block Elements (Group 15, 16, 17 & 18) questions with solutions

Correct statement(s) about the compounds X , Y and Z is(are)

Correct statement(s) about the compounds P , Q and R is(are)

Find the correct statements related to group 15 hydrides. A. Reducing nature increases from NH _3 to BiH _3 B. Tendency to donate lone pair of electrons decreases from NH _3 to

Treatment of a gas ' X ' with a freshly prepared ferrous sulphate solution gives a compound ' Y ' as a brown ring. The compounds X and Y are.

Correct statements from the following are: A. Nitrogen in oxidation states from +1 to +4 disproportionates in acid medium. B. Nitrogen has the ability to form dπ - pπ multiple

Given below are two statements: Statement I: The covalency of oxygen is generally two but it can exceed upto four. The oxidation state of oxygen in SO_2 is -2 and in OF_2 it is +2

Given below are two statements : Statement (I) : Oxidising power of halogens decreases in the order F_2 > Cl_2 > Br_2 > I_2 , which is the basis of "Layer test". Statement (II)

Given below are two statements : Statement I : The increasing order of boiling point of hydrogen halides is HCl Statement II : The increasing order of melting point of hydrogen

Regarding the hydrides of group 15 elements EH_ 3 (E=N, P, As, Sb) , select the correct statement from the following: A. The stability of hydrides decreases down the group. B. The

A ' p '-block element (E) and hydrogen form a binary cation (EH_ x )^ + , while EH_ 3 on treatment with K_ 2 HgI_ 4 in alkaline medium gives a precipitate of basic

The heating of NH_4 NO_2 at 60-70^ ∘ C and NH_4 NO_3 at 200-250^ ∘ C is associated with the formation of nitrogen containing compounds X and Y , respectively. X and Y

During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to

The complete hydrolysis of ICl_2 ClF_3 and BrF_5 , respectively, gives

The compound(s) with P-H bond(s) is(are)

Given below are two statements : Statement I: H_2 Se is more acidic than H_2 Te . Statement II : H_2 Se has higher bond enthalpy for dissociation than H_2 Te . In the light of the

Given below are two statements : Statement I : Nitrogen forms oxides with +1 to +5 oxidation states due to the formation of p π-p π bond with oxygen. Statement II : Nitrogen does

Given below are two statements Statement I : The N-N single bond is weaker and longer than that of P-P single bond Statement II : Compounds of group 15 elements in +3 oxidation

The nature of oxide (TeO_2) and hydride (TeH_2) formed by Te , respectively are :

A group 15 element forms d π-d π bond with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form d π-d π bond.

The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of

The incorrect statement among the following is options _1 .

The maximum covalency of a non-metallic group 15 element ' E ' with weakest E-E bond is :

Which of the following electrolyte can be used to obtain H_2 ~S_2 O_8 by the process of electrolysis?

In the following reaction sequences, the major product Q is: L-Glucose \( [ (ii) Cr_2 O_3, 775 ~K, 10-20 atm ] (i) HI, Δ P [ UV ] Cl_2 (excess) Q\)

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

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

Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ______.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Both rhombic and monoclinic sulphur exist as \(S_8\)

On reaction of Lead Sulphide with dilute nitric acid which of the following is not formed?

Identify the incorrect statements about group 15 elements : (A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature. (B) The common oxidation states of

The strongest reducing agent amont the following is:

Among the following oxide of p - block elements, Cl _ 2 O _ 7 , CO, PbO _ 2 , N _ 2 O, NO, Al _ 2 O _ 3 , SiO _ 2 , N _ 2 O _ 5 , SnO _ 2

Choose the correct statements from the following A. All group 16 elements form oxides of general formula E O _ 2 and E O _ 3 where E = S, Se, Te and Po . Both the types of oxides

Give below are two statements: Statement-I : Noble gases have very high boiling points. Statement-II: Noble gases are monoatomic gases. They are held together by strong dispersion

Choose the correct statements about the hydrides of group 15 elements. A. The stability of the hydrides decreases in the order NH _ 3 > PH _ 3 > AsH _ 3 > SbH _ 3 > BiH _ 3 B. The

Anomalous behaviour of oxygen is due to its

Given below are two statements: Statement (I) : Oxygen being the first member of group 16 exhibits only – 2 oxidation state. Statement (II) : Down the group 16 stability of + 4

Element not showing variable oxidation state is :

From the given list, the number of compounds with + 4 oxidation state of Sulphur SO _ 3 , H _ 2 SO _ 3 , SOCl _ 2 , SF _ 4 , BaSO _ 4 , H _ 2 S _ 2 O _ 7

The number of P - O - P bonds in H _ 4 P _ 2 O _ 7 , ( HPO _ 3 ) _ 3 , and P _ 4 O _ 10 are respectively

The correct group of halide ions which can be oxidised by oxygen in acidic medium is

The incorrect statement from the following for borazine is:

The incorrect statement regarding the reaction given below is

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reasom R . Assertion A : A solution of the product obtained by heating a mole of

One mole of P _ 4 reacts with 8 moles of SOCl _ 2 to give 4 moles of A , x mole of SO _ 2 and 2 moles of B . A, B and x respectively are

Given below are two statements : Statement-I : Methane and steam passed over a heated Ni catalyst produces hydrogen gas. Statement-II : Sodium nitrite reacts with NH _ 4 Cl to

The difference in the oxidation state of Xe between the oxidised product of Xe formed on complete hydrolysis of XeF _ 4 and XeF _ 4 is

The ratio of sigma and π bonds present in pyrophosphoric acid is

XeF _ 4 reacts with SbF _ 5 to form [ XeF _ m ] ^ n + [ SbF _ y ] ^ 2 - m + n + y + z = ? .

The difference between electron gain enthalpies will be maximum between :

Match List I with List II List I Oxide List II Type of bond A N _ 2 O _ 4 I 1N = Obond B NO _ 2 II 1N – O – Nbond C N _ 2 O _ 5 III 1N – Nbond D N _ 2 O IV 1N = N / N ≡ Nbond

Match List-I with . List-I Name of reaction List-II Reagent used A Hell-Volhard Zelinsky reaction I NaOH + I _ 2 B Iodoform reaction II ( i ) CrO _ 2 Cl _ 2 , CS _ 2 ( ii ) H _ 2

Given below are two statements: Statement I: Chlorine can easily combine with oxygen to from oxides: and the product has a tendency to explode. Statement II: Chemical reactivity

Sum of oxidation states of bromine in bromic acid and perbromic acid is

Identify X, Y and Z in the following reaction. (Equation not balanced) Cl ∙ O + NO _ 2 → X _ ¯ H _ 2 O ⟶ Y _ ¯ + Z _ ¯

When Cu ^ 2 + ion is treated with KI , a white precipitate, X appears in solution. The solution is titrated with sodium thiosulphate, the compound Y is formed. X and Y

The oxidation sate of phosphorus in hypophosphoric acid is

Formulae for Nessler&#39;s reagent is:

Total number of acidic oxides among N _ 2 O _ 3 , NO _ 2 , N _ 2 O, Cl _ 2 O _ 7 , SO _ 2 , CO, CaO, Na _ 2 O and NO is _____ .

&ldquo; A &rdquo; obtained by Ostwald&#39;s method involving air oxidation of NH _ 3 , upon further air oxidation produces &ldquo; B &rdquo;. &ldquo; B &rdquo; on hydration forms

A chloride salt solution acidified with dil. HNO _ 3 gives a curdy white precipitate, [ A ] , on addition of AgNO _ 3 . [A] on treatment with NH _ 4 OH gives a clear solution, B.

Reaction of thionyl chloride with white phosphorus forms a compound [ A ] , which on hydrolysis gives [ B ] , a dibasic acid. [ A ] and [ B ] are respectively

Compound A reacts with NH _ 4 Cl and forms a compound B. Compound B reacts with H _ 2 O and excess of CO _ 2 to form compound C which on passing through or reaction with saturated

Inert gases have positive electron gain enthalpy. Its correct order is

An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is :

Which of the Phosphorus oxoacid can create silver mirror from AgNO _ 3 solution?

The reaction of Xe and O _ 2 F _ 2 gives a Xe compound P . The number of moles of HF produced by the complete hydrolysis of 1mol of P is _____ .

The compound(s) which react(s) with NH _ 3 to give boron nitride (BN) is(are)

The reaction of HClO _ 3 with HCl gives a paramagnetic gas, which upon reaction with O _ 3 produces

The reaction of Pb ( NO _ 3 ) _ 2 and NaCl in water produces a precipitate that dissolves upon the addition of HCl of appropriate concentration. The dissolution of the precipitate

Dissolving 1 . 24g of white phosphorous in boiling NaOH solution in an inert atmosphere gives a gas Q . The amount of CuSO _ 4 (in g ) required to completely consume the gas Q

Dinitrogen is a robust compound, but reacts at hig altitude to form oxides. The oxide of nitrogen the can damage plant leaves and retard photosynthes is

Consider the following sulphure based oxoacids. H _ 2 SO _ 3 , H _ 2 SO _ 4 , H _ 2 S _ 2 O _ 8 and H _ 2 S _ 2 O _ 7 . Amongst these oxoacids, the number of those with peroxo (O

White phosphorus reacts with thionyl chloride to give

Concentrated HNO _ 3 reacts with Iodine to give

Dinitrogen and dioxygen the main constituents of air do not react with each other in atmosphere to form oxides of nitrogen because

Formulae for Nessler's reagent is:

“ A ” obtained by Ostwald's method involving air oxidation of NH _ 3 , upon further air oxidation produces “ B ”. “ B ” on hydration forms

Which of the following oxoacids of sulphur contains "S" in two different oxidation states?