List of top Chemistry Questions asked in GUJCET

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.
How glucose is related with fructose?
Give IUPAC name of the product, when acetamide is heated with anhydrous phosphorus pentoxide
How can you say that glucose is cyclic compound?
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. $(t_{1/2})$
Which of the following is pheromone?
Which of the following enzymes is present in animals like cow, buffaloes, etc. to digest compound like paper, cloth, etc.?
What does the electronic configuration $ 1s^2, \, 2s^2, \, 2p^ 5 , \, 3s^1 $ indicate ?
Which of the following compounds, when heated at 483 K turns to caramel?
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 $[Co(H_2O)_4SO_3 ]Cl.$
Which of the following is phenyl ethanoate?
Which of the following is the correct order of priority of group in D-glyceraldehyde?
Identify the reaction which is used to Jlbtain $\beta$-hydroxy ketone.
For a reaction between gaseous compounds, $\hspace20mm 2A + B \longrightarrow C + D$ the reaction rate = k[A][B]. If the volume of the container is made $\frac{1}{4}$ of the initial, then what will be the rate of reaction as compared to the initial rate?
The density of glycerol is higher than propanol due to
Which type of dyes are not used do dye nylon and polyester fibres?
Select the detergent that is used to prepare cosmetics.
The order of a reaction for an esterification process is
How many electrons are present in 3d orbital of tetrahedral $K_2 [NiCl_4]$ complex?
Oxidation of organic compound $'A'$ with $Na_2Cr_2O_7$ and $H_2SO_4$ gives compound $'B'$, which on reduction with $H_2$ in the presence of Ni catalyst gives ethyl alcohol. Give the name of compound $'A'$.
Which equation is true to calculate the energy of activation, if the rate of reaction is doubled by increasing temperature from $ T_1 \, K \, to \, T_2 $ K?
What is the chemical name of the vitamin $B_{12}$ ?
What will be the bond angle C-0-H in alcohol if hybridisation of C and O atom possess sp$^3$hybridisation?
Which of the following is used as an oxidising agent in hybrid fuel?
Deficiency of vitamin $H$ causes