Instructions

Schemes 1 and 2 describe sequential transformation of alkynes M and N. Consider only the major products formed in each step for both the schemes.

Instructions

An aqueous solution of metal ion M1 reacts separately with reagents Q and R in excess to give tetrahedral and square planar complexes, respectively. An aqueous solution of another metal ion M2 always forms tetrahedral complexes with these reagents. Aqueous solution of M2 on reaction with reagent S gives white precipitate which dissolves in excess of S. The reactions are summarized in the scheme given below:

Instructions

X and Y are two volatile liquids with molar weights of $$10 g mol^{-1}$$ and $$40 g mol^{-1}$$ respectively. Two cotton plugs, one soaked in X and the other soaked in Y, are simultaneously placed at the ends of a tube of length L = 24 cm, as shown in the figure. The tube is filled with an inert gas at 1 atmosphere pressure and a temperature of 300 K. Vapours of X and Y react to form a product which is first observed at a distance d cm from the plug soaked in X. Take X and Y to have equal molecular diameters and assume ideal behaviour for the inert gas and the two vapours.

Question 36

The experimental value of d is found to be smaller than the estimate obtained using Grahamâ€™s law. This is due to

Instructions

For the following questions answer them individually

Question 37

Different possible thermal decomposition pathways for peroxyesters are shown below. Match each pathway from List I with an appropriate structure from List II and select the correct answer using the code given below the lists.

Codes:

Question 38

Match the four starting materials (P, Q, R, S) given in List I with the corresponding reaction schemes (I, II, III, IV) provided in List II and select the correct answer using the code given below the lists.

Codes:

Question 39

Match each coordination compound in List-I with an appropriate pair of characteristics from List-II and select the correct answer using the code given below the lists.

{en = $$H_2NCH_2CH_2NH_2$$; atomic numbers: Ti = 22; Cr = 24; Co = 27; Pt = 78}

Question 40

Match the orbital overlap figures shown in List-I with the description given in List-II and select the correct answer using the code given below the lists.

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