List of top Chemistry Questions

Expected products of hydrolysis of Lactose are:

\([CoF_6]^{3-}\) using valence bond theory can be explained as

In the metallurgy of silver and that of gold, the respective metal is leached with a dil. solution of NaCN from which silver and gold is later recovered by

Colour of Manganate ion in \(KMnO_4\) is due to:

The best proton donor is:
A) \(H_2O\)
B) \(CH_3CH_2CH_2OH\)
C) \(CH_3CH_2CH_2CH_2OH\)
D)
Choose the correct answer from the options given below.

Rate of a particular reaction is represented by:
Rate = \(K [A]^0 [B]^2\)
The unit of rate constant K' in this case will be

Match List - I with List- II.

List - I (Salts	List - II (Van't Hoff factor
(A) Mohr's Salt	(I) 3
(B) Blue Vitriol	(II) 8
(C) Lime slake	(III) 2
(D) Alum	(IV) 5

Choose the correct answer from the options given below:

List of Ligands are given below from spectrochemical series, re-arrange in the order of increasing field strength
A) \(SCN^-\)
B) \(Cl^-\)
C) \(F^-\)
D) \(OH^-\)
E) \(CN^-\)
Choose the correct answer from the options given below:

Name the member of the Actinoid Series which is the last element:-

Match List - I with List- II.

List - I	List - II
(A) Invert sugar	(I) \(\alpha\)-D-glucose and \(\alpha\)-D-glucose
(B) Maltose	(II) \(\beta\)-D-galactose and \(\beta\)-D-glucose
(C) Lactose	(III) Branched chain polymer of \(\alpha\)-D-glucose
(D) Amylopectin	(IV) Hydrolysis of sucrose

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Inversion of configuration in Alkyl halides takes place:-

Amino acids have high boiling point because
of the formation of Zwitter ion
of dipolar nature
of strong dipole- dipole interaction
of strong intermolecular forces
of the presence of-COOH and-\(NH_2\) at a-position
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Match List - I with List- II.

List - I	List - II
(A) Tranquilizers	(I) Aspirin
(B) Analgesics	(II) Iodoform
(C) Antiseptic	(III) Salvarsan
(D) Antibiotics	(IV) Antidepressant drug

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Vitamin C is also called-

The least basic hydroxide amongst the following would be:-

Which kind of isomerism is shown by following compounds
M-SCN, M-NCS

The value of magnetic moment for \([CoF_6]^{3-}\) is:

Most commonly used freon in the industries is

In neutral solution, thiosulphate is oxidised by potassium permanganate to

For the solubility of gases in liquid, the correct statement at high temperature is:
A) Solubility of gases increase
B) Value of Hemy's constant (\(k_H\)) increases
C) Solubility of gases decrease
D) Value of \(k_H\) decreases
E) Value of \(k_H\) does not change
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IUPAC name of propiophenone is:

During peptization the
precipitate breaks up into smaller particles of the size of a colloid
molecules aggregate together to form a colloid
the precipitate adsorb one of the ions of the electrolyte on its surface
precipitate is shaken with the dispersion medium
molecules loses positive and negative charge.
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What would be the expected product when dimethyl ether is treated with HI in excess

Values of \(\epsilon^0\) Reduction are given below as:-
\(Sn^{2+} |Sn = -0.14V, Zn^{2+} |Zn = -0.76V, Cr^{3+} |Cr = -0.74V\\Mg^{2+} | Mg = -2.36V\)
The ion which will get deposited at cathode in an electrochemical cell would be

Inversion of cane sugar is an example of