GATE Chemistry Mock Test - 2 - Chemistry MCQ

Choose the most appropriate word from the options given below to complete the following sentenceThe principal presented the chief guest with a ______________as token of appreciation.

Choose the appropriate word/phrase, out of the four options given below, to complete the following sentence:Frogs______________________.

The overwhelming number of people infected with rabies in India has been flagged by the World Health Organization as a source of concern. It is estimated that inoculating 70% of pets and stray dogs against rabies can lead to a significant reduction in the number of people infected with rabies.Which of the following can be logically inferred from the above sentences?   

A flat is shared by four first year undergraduate students. They agreed to allow the oldest of them to enjoy some extra space in the flat. Manu is two months older than Sravan, who is three months younger than Trideep. Pavan is one month older than Sravan. Who should occupy the extra space in the flat?           

Find the area bounded by the lines 3x+2y = 14, 2x–3y = 5 in the first quadrant.           

A straight line is fit to a data set (ln x, y). This line intercepts the abscissa at ln x = 0.1 and has a slope of –0.02. What is the value of y at x = 5 from the fit?                  

S, T, U, V, W, X, Y and Z are seated around a circular table. T is neighbours are Y and V. Z is seated third to the left of T and second to the right of S, U is neighbours are S and Y; and T and W are not seated opposite each other. Who is third to the left of V?             

Among the following complexes, the ones that show(s) chirality are:           
I = [Ru(bipyridyl)₃]⁺, II = [Cr(EDTA)]^-, III  = trans[Cr(Cl)₂(oxalate)₂]^3-, IV = cis[Cr(Cl)₂(oxalate)₂]^3-            

Consider the following statements and choose the correct one(s):           
(I) Electron density in the XY plane in   orbital is zero            (II) Electron density in the XY plane in 3d_z2 orbital is zero           
(III) 2s orbital has one nodal surface                                        (IV) For 2p_z orbital, YZ is the nodal plane,                             

Choose the correct product of the following reaction
   

Which of the following is diastereomer of the given compound?

Which of the following is correct in reference to ferredoxin Fe₂S₂?           
(I) In chloroplasts, Fe₂S₂ ferredoxins function as electron carriers in the photosynthetic electron transport chain                                          
(II) They are proteins of around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated              
(III) The iron atoms are tetrahedrally coordinated both by inorganic sulfur atoms and by sulfurs of four conserved cysteine (Cys) residues.                                                          

Which of the following radial distribution graphs correspond to l = 2 for H atom for the least value of ‘n’ for which l = 2 is allowed?
 

The complex with the most intense color among following is?           

Select correct statement(s):           

The rotational partition function of a diatomic molecule with energy levels corresponding to J = 0 and 1 (where ε is a constant).

B₁₂H₁₂^2– has ………… point group:    

The d-bond is formed via the overlap of (considering z-axis as the inter-nuclear axis):

Noble gases (like He, Ne, Ar, Kr etc) are isolated from air. One of the steps is/are           

Which of the following statement is incorrect?           

18 electron rule is not followed in one of the following complexes?           

Choose correct statement(s) about Actinides:           
(I) All actinides are radioactive and release energy upon radioactive decay                 
(II) Actinides, especially those with a small number of 5f-electrons, are prone to hybridization.               
(III) Like the lanthanides, all actinides are highly reactive with halogens and chalcogens; however, the actinides react more easily.            
(IV) Chemically, actinium is similar to lanthanum, which is explained by their similar ionic radii and electronic structure.            

The reaction given below is an example of:​

Choose the correct staetement(s) in reference to Rotational spectroscopy:            

Choose the major product formed in given chemical reaction sequence:

Major product formed in the following reaction is:

Choose the correct product of the following reaction: