JEE Main 2021 (18 March Shift 1)

Instructions

For the following questions answer them individually

JEE Main 2021 (18 March Shift 1) - Question 41


Match List-I with List-II:
List-I (process)                                         List-II (catalyst)
(a) Deacon's process                               (i) ZSM-5
(b) Contact process                                (ii) CuCl$$_2$$
(c) Cracking of hydrocarbons                  (iii) Ni
(d) Hydrogenation of vegetable oils        (iv) V$$_2$$O$$_5$$
Choose the most appropriate answer from the options given below:

JEE Main 2021 (18 March Shift 1) - Question 42


Match List-I with List-II:
List-I                                       List-II
(a) Chlorophyll                       (i) Ruthenium
(b) Vitamin-B$$_{12}$$                 (ii) Platinum
(c) Anticancer drug               (iii) Cobalt
(d) Grubbs catalyst               (iv) Magnesium
Choose the most appropriate answer from the options given below:

JEE Main 2021 (18 March Shift 1) - Question 43


The correct structures of trans-[NiBr$$_2$$(PPh$$_3$$)$$_2$$] and meridional-[Co(NH$$_3$$)$$_3$$(NO$$_2$$)$$_3$$] respectively, are:

JEE Main 2021 (18 March Shift 1) - Question 44


Reaction of Grignard reagent, C$$_2$$H$$_5$$MgBr with C$$_8$$H$$_8$$O followed by hydrolysis gives compound A, which reacts instantly with Lucas reagent to give compound B(C$$_{10}$$H$$_{13}$$Cl). The Compound B is:

JEE Main 2021 (18 March Shift 1) - Question 45


Match List-I with List-II:
List-I (Chemicals)                                   List-II (Use/Preparation/Constituent)
(a) Alcoholic potassium hydroxide                  (i) Electrodes in batteries
(b) Pd/BaSO$$_4$$                                                (ii) Obtained by addition reaction
(c) BHC (Benzene hexachloride)                   (iii) Used for $$\beta$$-elimination reaction
(d) Polyacetylene                                               (iv) Lindlar's catalyst
Choose the most appropriate match:

JEE Main 2021 (18 March Shift 1) - Question 46


Considering the above chemical reaction, identify the product X:

JEE Main 2021 (18 March Shift 1) - Question 47


Considering the above reaction, X and Y respectively are:

JEE Main 2021 (18 March Shift 1) - Question 48


Consider the above chemical reaction and identify product A:

JEE Main 2021 (18 March Shift 1) - Question 49


Match the list-I with list-II:
List-I (Class of Drug)                      List-II (Example)
(a) Antacid                                (i) Novestrol
(b) Artificial sweetener             (ii) Cimetidine
(c) Antifertility                        (iii) Valium
(d) Tranquilizers                      (iv) Alitame

JEE Main 2021 (18 March Shift 1) - Question 50


A non-reducing sugar A hydrolyses to give two reducing mono saccharides. Sugar A is:

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