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Chemistry
List of top Chemistry Questions asked in GUJCET
A reaction is first order in terms of A and second order in terms of B. What will be the rate of reaction, If the concentration of B is increased two times?
GUJCET - 2023
GUJCET
Chemistry
Chemical Kinetics
What is the correct order of acidity of compounds I, II and III?
i. 4-Nitrobenzoic acid
ii. 4-Methoxy Benzoic acid
iii. Benzoic acid
GUJCET - 2023
GUJCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following are peroxo acids of sulpher?
GUJCET - 2023
GUJCET
Chemistry
p -Block Elements
which polymer is used in making non-stick surface-coated Utensils?
GUJCET - 2023
GUJCET
Chemistry
Polymers
Which base is not found in DNA?
GUJCET - 2023
GUJCET
Chemistry
Nucleic Acids
polyethylene-glycol is used in the preparation of which types of detergent?
GUJCET - 2023
GUJCET
Chemistry
Chemistry in Everyday Life
By thermal decomposition of which of the following compound very pure dinitrogen gas can be obtained?
GUJCET - 2023
GUJCET
Chemistry
p -Block Elements
The most basic oxide among MnO, Mn
2
O
3
, MnO
2
and Mn
2
O
7
is
GUJCET - 2023
GUJCET
Chemistry
d -and f -Block Elements
Which will be the unit of the rate constant for the reaction having rate K.[A]
\(^{\frac{1}{2}}\)
[B]
\(^{\frac{3}{2}}\)
?
GUJCET - 2023
GUJCET
Chemistry
Chemical Kinetics
Which compound will give Hoffmann bromamide a degradation reaction?
GUJCET - 2023
GUJCET
Chemistry
Amines
which artificial sweetening agent is limited for cold food and soft drinks?
GUJCET - 2023
GUJCET
Chemistry
Chemistry in Everyday Life
What are two monomers of Glyptal polymer?
GUJCET - 2023
GUJCET
Chemistry
Polymers
Which of the following species is not expected to be a ligand?
GUJCET - 2023
GUJCET
Chemistry
coordination compounds
Final pressure is higher than initial pressure of a container filled with an ideal gas at constant temperature. What will be the value of equilibrium constant?
GUJCET - 2011
GUJCET
Chemistry
Equilibrium
Two different electrolytic cells filled with molten
$Cu(NO_3)_2$
and molten
$Al(N0_3)_3$
respectively are connected in series. When electricity is passed 2. 7 g Al is deposited on electrode. Calculate the weight of Cu deposited on cathode.
$[Cu = 63 .5; Al= 27 .0 g mol^{-1} ]$
GUJCET - 2011
GUJCET
Chemistry
Electrochemistry
Ammonia gas does not evolve from the complex
$FeCl_3$
$\cdot$
$4NH_3$
but it gives white precipitate with aqueous solution of
$AgNO_3.$
Coordination number of central metal ion in the above complex is six. Give IUPAC name of the complex.
GUJCET - 2011
GUJCET
Chemistry
coordination compounds
How glucose is related with fructose?
GUJCET - 2011
GUJCET
Chemistry
Biomolecules
Give IUPAC name of the product, when acetamide is heated with anhydrous phosphorus pentoxide
GUJCET - 2011
GUJCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
How can you say that glucose is cyclic compound?
GUJCET - 2011
GUJCET
Chemistry
Biomolecules
For a first order reaction, the initial concentration of a reactant is 0.05 M. After 45 min it is decreased by 0.015 M. Calculate halfreaction time.
$(t_{1/2})$
GUJCET - 2011
GUJCET
Chemistry
Chemical Kinetics
Which of the following is pheromone?
GUJCET - 2011
GUJCET
Chemistry
Chemistry in Everyday Life
Which of the following enzymes is present in animals like cow, buffaloes, etc. to digest compound like paper, cloth, etc.?
GUJCET - 2011
GUJCET
Chemistry
Chemistry in Everyday Life
What does the electronic configuration
$ 1s^2, \, 2s^2, \, 2p^ 5 , \, 3s^1 $
indicate ?
GUJCET - 2010
GUJCET
Chemistry
Classification of elements and periodicity in properties
Which of the following compounds, when heated at 483 K turns to caramel?
GUJCET - 2010
GUJCET
Chemistry
Biomolecules
Show the coordination number of the metal ion, its oxidation number, the number of electrons ind-orbitals and the number of unpaired electrons in d-orbitals respectively in complex
$[Co(H_2O)_4SO_3 ]Cl.$
GUJCET - 2010
GUJCET
Chemistry
coordination compounds
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