JEE PYQ p Block Elements (Group 13 & 14) - Chapter-wise Questions with Solutions

About p Block Elements (Group 13 & 14) PYQs

p Block Elements (Group 13 & 14) has 252 previous year questions in the Quantrex Academy JEE Main & Advanced Chemistry bank. The 220 questions in this list come from JEE Main (93), NTA Abhyas JEE Main (59), 99 Percentile Qs Bank for JEE Main (40) and 2 other sources, spanning 2002 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 13 & 14) PYQs with Solutions

About p Block Elements (Group 13 & 14) PYQs

Questions by year (this list)

p Block Elements (Group 13 & 14) questions with solutions

Given below are two statements : Statement I: Aluminium upon reaction with NaOH forms [Al(OH)_6]^ 3- ion. Statement II: The geometry of ICl_4^- , ClO_3^- and IBr_2^- is square

Consider the following reactions Na_ 2 ~B_ 4 O_ 7 Δ 2 X+ Y CuSO_ 4 + Y Non-Luminous flame Z+ SO_ 3 2 Z+ 2 X+ Carbon Luminous flame 2 Q+Na_ 2 ~B_ 4 O_ 7 + CO The oxidation states

It is noticed that Pb^ 2+ is more stable than Pb^ 4+ but Sn^ 2+ is less stable than Sn^ 4+ . Observe the following reactions. PbO_ 2 +Pb arrow 2 PbO ; Δ_ r G^ ∘ (1) SnO_ 2 +Sn

The correct statements from the following are : A. Ionic radii of trivalent cations of group 13 elements decreases down the group. B. Electronegativity of group 13 elements

Given below are two statements : Statement I : Elements ' X ' and ' Y ' are the most and least electronegative elements, respectively among N, As, Sb and P. The nature of the

Consider the following reactions. PbCl_ 2 +K_ 2 CrO_ 4 arrow ~A+2 KCl (Hot solution) A+NaOH leftharpoons B+Na_ 2 CrO_ 4 PbSO_ 4 +4 CH_ 3 COONH_ 4 arrow(NH_ 4 )_ 2 SO_ 4 +X In the

Given below are two statements : Statement I : The number of pairs among [SiO_ 2 , CO_ 2 ],[SnO, SnO_ 2 ],[PbO, PbO_ 2 ] and [GeO, GeO_ 2 ] , which contain oxides that are both

The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 ~kJ ~mol^ -1 respectively. The above values are lowest among their group members. The nature

Given below are two statements : Statement (I) : The first ionisation enthalpy of group 14 elements is higher than the corresponding elements of group 13. Statement (II) : Melting

Consider the following elements In, Tl, Al, Pb, Sn and Ge . The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, respectively, are

Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :

Give below are two statements: One is labelled as Assertion \(A\) and the other is labelled as Reason R: Assertion A: The stability order of +1 oxidation state of Ga, In and T1 is

The number of ions from the following that are expected to behave as oxidising agent is : \(Sn^ 4+ , Sn^ 2+ , Pb^ 2+ , Tl^ 3+ , Pb^ 4+ , Tl^ + \)

Evaluate the following statements related to group 14 elements for their correctness. (A) Covalent radius decreases down the group from \( C \) to \( Pb \) in a regular manner.

The correct statements from the following are : (A) The decreasing order of atomic radii of group 13 elements is \(Tl \) In \( Ga Al B \). (B) Down the group 13 electronegativity

The number of neutrons present in the more abundant isotope of boron is ' \(x\) '. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is

Match List - I with List - II. List - I Compound List-II Use (A) Carbon tetrachloride (I) Paint remover (B) Methylene chloride (II) Refrigerators and air conditioners (C) DDT

Given below are two statements: Statement (I) : SiO _ 2 and GeO _ 2 are acidic while SnO and PbO are amphoteric in nature. Statement (II) : Allotropic forms of carbon are due to

Given below are two statements : Statement I: Group 13 trivalent halides get easily hydrolysed by water due to their covalent nature. Statement II: AlCl _ 3 upon hydrolysis in

Consider the oxides of group 14 elements Si O _ 2 , Ge O _ 2 , Sn O _ 2 , Pb O _ 2 , CO and GeO . The amphoteric oxides are

Given below are two statements : Statement I : The electronegativity of group 14 elements from Si to Pb gradually decreases. Statement II : Group 14 contains non-metallic

Given below are two statements : one is labelled as Assertion ( A ) and the other is labelled as Reason ( R ) . Assertion (A) : Melting point of Boron ( 2453K ) is unusually high

The stoichiometric reaction of 516g of dimethyldichlorosilane with water results in a tetrameric cyclic product X in 75 % yield. The weight (in g ) of X obtained is ____________

For a good quality cement, the ratio of silica to alumina is found to be

Better method for preparation of BeF _ 2 , among the following is

If the formula of Borax is Na _ 2 B _ 4 O _ x ( OH ) _ y · zH _ 2 O , then x + y + z = ______

Given below are two statements: Statement I: Boron is extremely hard indicating its high lattice energy. Statement II: Boron has highest melting and boiling point compared to its

Structures of BeCl _ 2 in solid state, vapour phase and at very high temperature respectively are:

The correct order of bond enthalpy ( kJ mol ^ – 1 ) is:

The Lewis acid character of boron tri halides follows the order:

Boric acid in solid, whereas BF _ 3 is gas at room temperature because of

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In expensive scientific instruments, silica gel is kept

Given below are two statements: Statement I : Nickel is being used as the catalyst for producing syn gas and edible fats. Statement II : Silicon forms both electron rich and

During the borax bead test with CuSO _ 4 , a blue green colour of the bead was observed in oxidising flame due to the formation of

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A :- Carbon forms two important oxides CO and CO _ 2 . CO is neutral

The treatment of galena with HNO _ 3 produces a gas that is

When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Boron is unable to form BF _ 6 ^ 3 - Reason R : Size of B is

Given below are two statements: Statement I : The chlorides of Be and Al have Cl-bridged structure. Both are soluble in organic solvents and act as Lewis bases. Statement II

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Boric acid is a weak acid Reason R : Boric acid is not able to

Borazine, also known as inorganic benzene, can be prepared by the reaction of 3 -equivalents of &quot; X &quot; with 6 -equivalents of &quot; Y &quot;. &quot; X &quot; and &quot

Match List - I with List - II List-II List-II A N _ 2 (g) + 3 H _ 2 (g) → 2 NH _ 3 (g) I Cu B CO(g) + 3 H _ 2 (g) → CH _ 4 (g) + H _ 2 O(g) II Cu / ZnO - Cr _ 2 O _ 3 C CO(g) + H

The geometry around boron in the product &#39; B &#39; formed from the following reaction is BF _ 3 + NaH 450K ⟶ A + NaF A + NMe _ 3 → B

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

Match List-I with Match List-II List-I (Metal) List-II (Application) (A) Cs (I) High temperature thermometer (B) Ga (II) Water repellent sprays (C) B (III) Photoelectric cells (D)

Match List - I with List - II. List-I ( Si -Compounds) List-II ( Si -Polymeric/Other Products) A ( CH _ 3 ) _ 4 Si I Chain Silicone B ( CH _ 3 )Si (OH) _ 3 II Dimeric Silicone C (

The number of bridged oxygen atoms present in compound B formed from the following reactions is Pb ( NO _ 3 ) _ 2 673K ⟶ A + PbO + O _ 2 A Dimerise ⟶ B

Identify the correct statement for B _ 2 H _ 6 from those given below. (A) In B _ 2 H _ 6 , all B - H bonds are equivalent. (B) In B _ 2 H _ 6 , there are four 3 -centre- 2

In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected?

The ratio of number of water molecules in Mohr&#39;s salt and potash alum is × 10 ^ - 1 . (Integer answer)

Which one of the following compounds of Group- 14 elements is not known?

Given below are the statements about diborane (a) Diborane is prepared by the oxidation of NaBH _ 4 with I _ 2 (b) Each boron atom is in sp ^ 2 hybridized state (c) Diborane has

The INCORRECT statement regarding the structure of C _ 60 is :

Compound A used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound A is:

The incorrect statement about B _ 2 H _ 6 is :

Al _ 2 O _ 3 was leached with alkali to get X . The solution of X on passing of gas Y, forms Z . X, Y and Z respectively are

On heating, lead (ll) nitrate gives a brown gas (A). The gas (A) on cooling changes to a colourless solid/liquid (B). (B) on heating with NO changes to ablue solid (C). The

On heating compound (A) gives a gas (B) which is constituent of air. This gas when treated with H _ 2 in the presence of a catalyst gives another gas (C) which is basic in nature.

The reaction of H _ 3 N _ 3 B _ 3 C l _ 3 (A) with LiB H _ 4 in tetrahydrofuran gives inorganic benzene (B) . Further, the reaction of (A) with (C) leads to H _ 3 N _ 3 B _ 3 (Me)

&lsquo; X &rsquo; melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is:

When an inorganic compound X having 3c - 2e^ − as well as 2 c - 2 e^ - bonds react with NH_ 3 gas at a certain temperature, gives a compound Y, isostructural with benzene.

A: Hybridization of carbon is sp^ 2 in all its crystalline allotropes. R: There are alternate double-single bonds in each allotrope of carbon.

The dissolution of Al (OH) _ 3 by a solution of NaOH results in the formation of:

Tl I _ 3 is an ionic compound. In the aqueous solution it provides -

Number of oxygen atoms shared per SiO _ 4 ^ 4 - tetrahedron in single chain silicates are ______

Which type of silicate compound, Beryl ( Be_ 3 Al_ 2 Si_ 6 O _ 18 ) is?

Diborane reacts with ammonia to initially forms X which on further heating gives borazine X is

The correct Lewis acid order for boron halides is

Incorrect statement about carbon monoxide is: -

The gas produced by the passage of air over hot coke is

Which of the following reactions is not involved in serpeck's process of leaching of A l _ 2 O _ 3 from white bauxite ore?

Which one is the wrong statement?

In the context of the Hall-Heroult process for the extraction of Al, which of the following statements is false ?

Which element among the following cannot form an amphoteric oxide?

Which of the following statements regarding boric acid is false -

Which of the following statement about anhydrous aluminum chloride is correct?

Borazine, also known as inorganic benzene, can be prepared by the reaction of 3 -equivalents of " X " with 6 -equivalents of " Y ". " X " and &quot

The geometry around boron in the product ' B ' formed from the following reaction is BF _ 3 + NaH 450K ⟶ A + NaF A + NMe _ 3 → B

The ratio of number of water molecules in Mohr's salt and potash alum is × 10 ^ - 1 . (Integer answer)

‘ X ’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is: