List of top Chemistry Questions

Which of the following compounds contain at least one secondary alcoholic group :

Choose the correct answer from the options given below :

The correct order of dipole moment of the different methyl halides is-

Match List I with List II

List-I		List-II
(A)	Hexagonal	(I)	∝ ≠ β ≠ γ ≠ 90°
(B)	Orthorhombic	(II)	∝ = γ = 90°, β ≠ 90°
(C)	Triclinic	(III)	∝ = β = 90°, γ = 120°
(D)	Monoclinic	(IV)	∝ = β = γ = 90°

Choose the correct answer from the options given below:

KMnO₄ + H₂SO₄ + X → MnSO₄ + K₂SO₄ + H₂O + CO₂
Identify X :

Predict the major product in the following reaction:

The magnetic moment of the complex species- [Fe(H₂O)₆]^2- and K₂[MnCl₄] are 5.3 and 5.9 respectively. The number of unpaired electrons respectively are :

Correct IUPAC name of the compound given below is:

Which of the following statements relating to the acidic character of alcohols is not true ?

Number of Co³⁺ ions per 100 oxide ions in salt Co_0.94 O_1.00 will be.

Glucose does not react with:

In neutral solution, thiosulphate is oxidised by potassium permanganate to

Ammonia is manufactured by:
\[ \text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g) \quad \Delta H_f^\circ = -46.1 \, \text{kJ/mol} \] The various steps involved are:
(A) Condensation of mixture of gases
(B) Passing the gaseous mixture over catalyst
(C) Compression of the mixture of gases
(D) Recirculation of the gaseous mixture
Choose the correct answer from the options given below:

The number of unpaired electron in gaseous ions Mn³⁺(Z=26), V³⁺ (Z=23), Cr³⁺ (Z=24) are respectively :

Which of the following is incorrect?

Match List -I with List-II

	List -I		List-II
A	Gel	I	Hair cream
B	Foam	II	Dust
C	Emulsion	III	Cheese
D	Aerosol	IV	Whipped cream

Choose the correct answer from the option given below

Silicon doped with electron elements of group-13 forms.

In case of phosphorus, PCl$_{3}$ and PCl$_{5}$ are possible while nitrogen only forms NCl$_{3}$ and not NCl$_{5}$. This is due to:

The rate constants of a reaction at 200 K and 300 K are 0.02 s^-1 and 0.04 s^-1. Ea for this reaction will be:

$[NiCl_2(PPh_3)_2]$ is named as:

Decreasing order of reducing power of the given species as per their standard reduction potential is :
A. -2.36
B. +0.54
C. +1.23
D. -0.74
E. + 1.81
Choose the correct answer from the options given below:

Match List -I with List-II

	List -I		List-II
A	Kaolinite	I	FeCO3
B	Siderite	II	ZnCO3
C	Malachite	III	[AL2(OH)4Si2 O5]
D	Colamine	IV	CuCO3.Cu(OH)2)

Choose the correct answer from the option given below

In amines, the nitrogen atom is A and B hybridised, making geometry of amines as C. Then A, B, and C respectively are:

When 1.3-Diphenylprop-2-en-1-one is formed by the reaction of benzaldehyde and acetopheone in the presence of dil.NaOH followed by heating, which is the correct option ?

\(C_2H_5OH\xrightarrow{X}C_2H_5Cl\xrightarrow{Y}C_2H_5CN\)
X and Y used in the above reaction are:

Which of the following is an example of an Emulsion?