List of top Chemistry Questions on Chemical Reactions of Alcohols Phenols and Ethers asked in JEE Main

Match List I with List II
 List I -complex  List II-CFSE
A[Cu(NH3)6]2+I-6.0
B[Ti(H2O)6]3+II-2.0
C[Fe(CN)6]3-III-1.2
D[NiF6]4-IV-0.4

Choose the correct answer from the options given below:

In the reaction given below ‘A’ is
Match List-I with List-II :

is reached with regents is List-I to from products in List-II.
List-I (Reagent) List-II (Products)
AI
BHBF4 \(\triangle\)II
CCu, HCIIII
DCuCN/ KCNIV
Choose the correct answer from the options given below :
At 310 K, the solubility of CaF2 in water is 2.34 ×10–3 g/100 mL. The solubility product of CaF2 is _____ × 10–8 (mol/L)3.
(Given molar mass : CaF2 = 78 g mol–1).
2NO + 2H2 → N2 + 2H2O
The above reaction has been studied at 800 °C. The related data is given in the table below.
The order of the reaction with respect to NO is ___.

Match List-I with List-II.

List-IList-II
(A) N2(g) + 3H2(g) → 2NH3(g)(I) Cu
(B) CO(g) + 3H2(g) → CH4(g) + H2O(g)(II) Cu/ZnO – Cr2O3
(C) CO(g) + H2(g) → HCHO(g)(III) FexOy + K2O + Al2O3
(D) CO(g) + 2H2(g) → CH3OH(g)(IV) Ni

Choose the correct answer from the options given below :

Consider the following reactions. 

\(PCl_3+H_2→A+HCL\)

\(A+H_2o→B+HCL\)

The number of ionisable protons present in the product B is

In the following reaction,
the % yield for reaction I is 60% and that of reaction II is 50%. The overall yield of the complete reaction is _______%. [Nearest integer].

the % yield for reaction I is 60% and that of reaction II is 50%.

Amongst FeCl3.3H2O, K3[Fe(CN)6)] and [Co(NH3)6]Cl3, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is_______B.M. [nearest integer]
20 mL of 0.02 M K2Cr2O7 solution is used for the titration of 10 mL of Fe2+ solution in the acidic medium. The molarity of Fe2+ solution is ______×10–2 M. (Nearest integer)
Amongst the following, the number of oxide(s) which are paramagnetic in nature is
Na2O, KO2, NO2, N2O, ClO2, NO, SO2, Cl2O
The neutralization occurs when 10 mL of 0.1M acid ‘A’ is allowed to react with 30 mL of 0.05 M base M(OH)2. The basicity of the acid ‘A’ is____[M is a metal]
The molar heat capacity for an ideal gas at constant pressure is 20.785 J K–1 mol–1. The change in internal energy is 5000 J upon heating it from 300 K to 500 K. The number of moles of the gas at constant volume is _____. (Nearest integer)
(Given : R = 8.314 JK-1mol-1).
Given below are two statements:
Statement I: Tropolone is an aromatic compound and has 8л electrons. 
Statement II: electrons of >C = O group in tropolone is involved in aromaticity. 
In the light of the above statements, choose the correct answer from the options given below
Match the List I with List II
 List I List II
(A)Weak intermolecular forces of attraction IHexamethylenedia mine + adipic acid 
(B)Hydrogen bondingIIAlEt3 + TiCl4 
(C)Heavily branched polymerIII2-chloro-1, 3-butadiene
(D)High density polymerIIIphenol+ formaldehyde

choose the correct answer from the options given below:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The diameter of colloidal particles in solution should not be much smaller than wavelength of light to show Tyndall effect. 
Reason R : The light scatters in all directions when the size of particles is large enough. 
In the light of the above statements, choose the correct answer from the options given below
What happens when methane undergoes combustion in systems A and B respectively?
The covalency and oxidation state respectively of boron in [BF4]-, are
Match the List I with List II
1- Bromopropane is reacted with regents in List I to give products in List II
 List I-Reagent List II-Product
(A)KOH(alc)INitrile
(B)KCL(alc)IIEster
(C)AgNo2IIIAlkene
(D)H3CC00AgIIINitroalkane
Choose the correct answer from the options given below:
The total number of stereoisomers for the complex [Cr(ox)2Clbr]3- (where oxalate) is:
The correct group of halide ions which can be oxidised by oxygen in acidic medium is
Which of the following complexes will exhibit maximum attraction to an applied magnetic field?
better method for preparation of bef2 among the following is
Given below are two statements related to Ellingham diagram:
Statement-I: Ellingham diagrams can be constructed for formation of oxides, sulfides and halides of metals. 
Statement-II : It consists of plots of ΔfH° vs T for formation of oxides of elements. 
In the light of the above statements, choose the most appropriate answer from the options given below
Given below are two statements, one is labelled as Assertion: A and the other is labelled as Reason R. 
Assertion: A Isotopes of hydrogen have almost same chemical properties, but difference in their rates of reaction. 
Reason: R Isotopes of hydrogen have different enthalpy of bond dissociation. 
In the light of the above statements, choose the most appropriate answer from the options given below