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

1,072 previous year questions from p Block Elements (Group 15, 16, 17 & 18) (NEET UG Chemistry) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

1,072 questionsChemistry2001–2026Answers + solutions

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

p Block Elements (Group 15, 16, 17 & 18) has 1,072 previous year questions in the Quantrex Academy NEET UG Chemistry bank. The 220 questions in this list come from NEET (106), AIIMS (79) and JIPMER (35), spanning 2001 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET 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

Identify the incorrect statement from the following :

Given below are two statements: Statement-I : Heating NaCl with concentrated H _2 SO _4 and MnO _2 results in oxidation of Mn. Statement-II : Heating NaI with concentrated H _2 SO

Given below are two statements: Statement I : Like nitrogen that can form ammonia, arsenic can form arsine. Statement II : Antimony cannot form antimony pentoxide. In the light of

Match List - I with List-II List-I List-II A. XeO_3 I. sp^3 d, linear B. XeF_2 II. sp^3 ; pyramidal C. XeOF_4 III. sp^3 d³ ; distorted octahedral D. XeF_6 IV. sp^3 d² ; square

Among Group 16 elements, which one does NOT show -2 oxidation state?

Identify the incorrect statement.

The products A and B obtained in the following reactions, respectively, are aligned & 3 ROH+PCl_3 arrow 3 RCl+A & ROH+PCl_5 arrow RCl+HCl+B aligned

Given below are two statements: Statement I: The boiling point of hydrides of Group 16 elements follow the order H_2 O _2 Te _2 Se _2 ~S . Statement II: On the basis of molecular

Identify the incorrect statement from the following:

Match List-I with List-II List-I(Oxo acids of Sulphur) List-II(Bonds) A Peroxodisulphuric acid I Two S-OH, Four S=O, One S-O-S B Sulphuric acid II Two S-OH, One S=O C

Match list-I with List-II : List - I List - II A. Coke I. Carbon atoms are sp ^ 3 hybridised B. Diamond II. Used as dry lubricants C. Fullerene III. Used as a reducing agent D.

Flourine is a stronger oxidising agent than chlorine because : (a) F-F bond has a low enthalpy of dissociation. (b) Flouride ion (F^ - ) has high hydration enthalpy (c) Electron

Choose the correct statement:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) . Assertion (A) : ICl is more reactive than I _ 2 . Reason (R) : I - Cl

Which of the following reactions is a part of the large scale industrial preparation of nitric acid?

Statement I: Acid strength increases in the order given as HF Statement II: As the size of the elements F, Cl, Br, I increases down the group, the bond strength of HF, HCl HBr and

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.

Match the compounds of Xe in column I with the molecular structure in column II. Column-I Column-II (a) XeF _ 2 (p) Square planar (b) XeF _ 4 (q) Linear (c) XeO _ 3 (r) Square

Which of the following oxoacid of sulphur has – O – O – linkage?

On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be

Strong oxidising agent used in purification of water is

Assertion : Pure N_2 is obtained from Ba(N_3)_2 but not from (NH_4)_2 Cr_2 O_7 . Reason : On decomposition, (NH_4)_2 Cr_2 O_7 gives O_2 gas.

How is ammonia generally manufactured in large scale?

In dimer of phosphorus pentoxide, in what order number of P-P, P=O and P-O-P bonds are there?

Which of the following reacts most slowly with nitric acid?

Yellow colour of chlorine water fades because

Which will release NH_3 on reaction with NaOH ?

In which of the following, oxidation state of phosphorous is +3 ?

Which of the following rare gas is the abundant in air?

Which one of the following nitro compound does not react with nitrous acid?

A compound ' X^ upon reaction with H_2 O produced a colourless gas ' Y ' with rotten fish smell. Gas ' Y ' is absorbed in a solution of CuSO_4 to give Cu_3 P_2 as one of the

Which of the following oxoacids of phosphorus has strongest reducing property?

Identify the correct formula of oleum from the following

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber&rsquo;s process is:

Which is the correct thermal stability order for H _ 2 E(E = O, S, Se, TeandPo) ?

Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code: Column-I Column-II (a) Xe F _ 4 (i) pyramidal (b) Xe F _ 6 (ii) square planar

Match the following: (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia (d) Deacon&rsquo;s process (iv) Sodium azide or Barium

Assertion : Pure N_2 is formed from Ba(N_3)_2 . Reason : Thermal decomposition of NaN_3 is used to inflate the air bags used for safety devices in some cars.

Which of the following statements is incorrect?

Which of the following is true for N_2 O_5 ?

Assertion : F_2 and Cl_2 when passed through water, F_2 is more reactive. Reason : F_2 is most electronegative.

Assertion : HCOOH reacts with H_2 SO_4 to form CO. Reason : H_2 SO_4 is a mild oxidising agent.

Assertion : O_2 ~F_2 converts Pu to PuF_6 . Reason : O_2 ~F_2 is used to remove unreacted Pu from nuclear reaction.

Assertion : O_3 has higher boiling point than O_2 . Reason : O_3 is allotrope of oxygen.

Assertion : Brown ring test is not valid for Fe^ +3 ion. Reason : Because NO_3^ - ion first gets converted into NO_2^ - ion.

Which of the following contains atleast one lone pair in all of its halides?

Assertion : Red phosphorus on heating changes its colour into black. Reason : Black phosphorus contains P_4 units.

Which of the following is correct statement?

Xenon hexafluoride reacts with silica to form a xenon compound X . The oxidation state of xenon in X is

Among the following, the correct formula of Marshall's acid is

Which of the following chemicals are used to manufacture methyl isocyanate that caused "Bhopal tragedy"? (i) Methylamine (ii) Phosgene (iii) Phosphine (iv) Dimethylamine

The correct order of N - compounds in its decreasing order of oxidation states is

Which of the following statements is not true for halogens?

Assertion : Hydrides of group-16 elements show volatility in the order: H_2 O>H_2 ~S>H_2 Se>H_2 Te Reason : Electronegativity of group-16 elements increases down the group from

Which of the following oxoacids of phosphorus is a reducing agent and a monobasic acid as well?

In which of the following compounds, sulphur show maximum oxidation number?

Sulphur reacts with chlorine in 1: 2 ratio and forms X . Hydrolysis of X gives a sulphur compound Y . The hydridisation of central atom in the anion Y is

Among the following compounds, which will produce POCl_3 with PCl_5 .

In which pair of ions do both the species contain S - S bond?

Large difference in boiling points is observed in

Assertion : Charcoal is used in separation of noble gases. Reason: Charcoal has porous structure.

Chlorine oxidises sodium thiosulphate to form

The true statement for the acids of phosphorus, H_3 PO_2, H_3 PO_3 and H_3 PO_4 is

When excess of NaOH solution is added to aqueous solution of iodine, the colour of solution becomes

Consider the reaction, H_2+X_2 2 H X , where X is halogen. The reactivity of halogens decrease in the order of

Anhydrous mixture of KF and HF contain which types of ions?

Choose the incorrect statement about noble gas?

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?

Among the following, the correct order of acidity is:

Identify the correct statement from the statements given below.

The product obtained as a result of a reaction of nitrogen with Ca C _ 2 is:

Which of the following fluoro-compounds is most likely to behave as a Lewis base?

When copper is heated with conc. HN O _ 3 it produces:

XeF_6 on complete hydrolysis produces

Tincture of iodine is

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is:

Match the following: (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia (d) Deacon’s process (iv) Sodium azide or Barium