List of top Chemistry Questions

[Co(NH₃)₄Cl(NO₂)]Cl will show:
A. Solvate isomerism
B. Linkage isomerism
C. Coordination isomerism
D. Ionisation isomerism
Choose the correct answer from the options given below :

Match List I with List II

List I		List II
A.	CH3CH2NH2	I.	N,N-Dimethylamiline
B.		II.	Ethylamine
C.	C6H5NH2	III.	Aniline
D.	C6H5N(CH3)2	IV.	Trimethylamine

Choose the correct answer from the options given below :

Cyclopropanol
Identify D

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

Which statement is not true for a detergent molecule ?

The chemical used for leaching of silver and gold is :

In order to differentiate between N-methylmethanamine and N,N-Dimethylmethanamine, the reaction to be used is :

The sodium soap prepared from glyceryl palmite
(C₁₅H₃₁COO)₃C₃H₅ is :

Match List -I with List-II

	List -I		List-II
A	Buna-S	I	Vinyl chloride
B	Neoprene	II	1,3-Butadiene and styrene
C	PVC	III	Tetra flouroethene
D	Teflon	IV	Chloroprene

Choose the correct answer from the options given below:

Which of the following statements are correct?
(A) Glucocorticoids control the carbohydrate metabolism
(B) Testosterone is major female sex hormone 
(C) Insulin is released in response to increase in blood sugar 
(D) Hypothyroidism is caused by low level of thyroxine 
(E) Mineralocorticoid is major male sex hormone 
Choose the correct answer from the options given below:

Co-ordination compounds present in following biological systems :
A. Chlorophyll
B. Haemoglobin
C. Vitamin B₁₂
D. Enzymes
E. Roots
Choose the correct answer from the options given below :

Arrange the following in increasing order of their boiling points :
A. CH₃CH₂CH₂CHO
B. CH₃CH₂CH₂CH₂OH
C. C₂H₅OC₂H₅
D. CH₃CH₂CH₂CH₂CH₃
E. CH₃CH₂CH₂COOH
Choose the correct answer from the options given below :

Order and molecularity in the given reaction is
CHCl₃ + Cl₂ → CCl₄ + HCl
Rate = \(k[CHCl^3][Cl_2]^{\frac{1}{2}}\)

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 ?

During electrolytic refining of copper, some metals settle as anode mud. These metals are :
A. Selenium and Tellurium
B. Silver and Gold
C. Gold and Platinum
D. Zinc and Platinum
E. Selenium, Gold and Platinum
Choose the correct answer from the options given below :

Aniline forms meta nitro derivative in strongly acidic medium. The reason is-

Aldol condensation results due to-

Match list I with list II:

List I		List II
A	K	I	Thermonuclear reactions
B	KCl	II	Fertilizer
C	KOH	III	Sodium potassium pump
D	Li	IV	Absorbent of CO2

Choose the correct answer from the options given below:

Thin layer chromatography of a mixture shows the following observation:

The correct order of elution in the silica gel column chromatography is .

Given below are two statements:
Statement I: Methane and steam passed over a heated Ni catalyst produces hydrogen gas.
Statement II: Sodium nitrate reacts with NH\(_4\)Cl to give H\(_2\)O and NaCl.

For elements B, C, N, Li, Be, O and F, the correct order of first ionization enthalpy is:

In the extraction process of copper, the product obtained after carrying out the reactions \[ \text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2 \text{O} \] is called:

Given below are two statements:
Statement I: If BOD value is 4 ppm and dissolved oxygen is 8 ppm, it is a good quality water.
Statement II: If the concentration of zinc and nitrate is 5 ppm, then it can be used as good quality water.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: In the photoelectric effect electrons are ejected from the metal surface as soon as the beam of light of frequency greater than threshold frequency strikes the surface.
Reason R: When the photon of any energy strikes an electron in the atom transfer of energy from the photon to the electron takes place.