JEE Mains JEE Advance BITSAT
JEE Mains | PYQ

Year

All years 2026 2025 2024 2023 2022 2021

Consider the following reactions :
\( \mathrm{PCl_3} + \mathrm{H_2O} \rightarrow A + \mathrm{HCl} \)
\( A + \mathrm{H_2O} \rightarrow B + \mathrm{HCl} \)
The number of ionisable protons present in the product \( B \) is ______________.

The number of bridged oxygen atoms present in compound B formed from the following reaction is

Dinitrogen is a robust compound, but reacts at high altitudes to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is:

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

Among the following basic oxide is:

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 \( \mathrm{BF}_6^{3-} \)
Reason \( (R) \): Size of \( \mathrm{B} \) is very small.

The total number of acidic oxides from the following list is:
\( \text{NO} \), \( \text{N}_2\text{O} \), \( \text{B}_2\text{O}_3 \), \( \text{N}_2\text{O}_5 \), \( \text{CO} \), \( \text{SO}_3 \), \( \text{P}_4\text{O}_{10} \)

Match List –I with List – II

Match List – I with List – II.

Choose the most appropriate answer from the options given below:

10.

Nitrogen gas is obtained by thermal decomposition of:

11.

Number of electron deficient molecules among the following \( \mathrm{PH_3} \), \( \mathrm{B_2H_6} \), \( \mathrm{CCl_4} \), \( \mathrm{NH_3} \), \( \mathrm{LiH} \) and \( \mathrm{BCl_3} \) is:

12.

Given below are two statements:
Statement-I: The pentavalent oxide of group-\( 15 \) element, \( \mathrm{E_2O_5} \), is less acidic than trivalent oxide, \( \mathrm{E_2O_3} \), of the same element.
Statement-II: The acidic character of trivalent oxide of group \( 15 \) elements, \( \mathrm{E_2O_3} \), decreases down the group.
In light of the above statements, choose most appropriate answer from the options given below:

13.

Borazine, also known as inorganic benzene, can be prepared by the reaction of \( 3 \)-equivalents of “X” with \( 6 \)-equivalents of “Y”. “X” and “Y”, respectively are:

14.

Match List –I with List –II, match the gas evolved during each reaction.

List –I Reaction	List –II Catalyst
(A) \( \mathrm{(NH_4)_2Cr_2O_7} \) \( \xrightarrow{\Delta} \)	(I) \( \mathrm{H_2} \)
(B) \( \mathrm{KMnO_4 + HCl \rightarrow} \)	(II) \( \mathrm{N_2} \)
(C) \( \mathrm{Al + NaOH + H_2O \rightarrow} \)	(III) \( \mathrm{O_2} \)
(D) \( \mathrm{NaNO_3} \) \( \xrightarrow{\Delta} \)	(IV) \( \mathrm{Cl_2} \)

Choose the correct answer form the options given below:

15.

Match List-I with List-II.

Choose the correct answer from the options given below:

16.

Heating white phosphorous with conc. \( \mathrm{NaOH} \) solution gives mainly:

← PreviousQuestion 16 of 16

JEE Main 2022 27th June Morning Shift

Heating white phosphorous with conc. \( \mathrm{NaOH} \) solution gives mainly:

JEE MainsJEE AdvanceBITSATJEE Mains | PYQ

JEE Mains JEE Advance BITSAT
JEE Mains | PYQ