NTA JEE Main 4th September 2020 Shift 1

Instructions

For the following questions answer them individually

NTA JEE Main 4th September 2020 Shift 1 - Question 31


On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:

NTA JEE Main 4th September 2020 Shift 1 - Question 32


On heating, lead (II) nitrate gives a brown gas (A). The gas (A) on cooling changes to a colourless solid/liquid (B). (B) on heating with NO changes to a blue solid (C). The oxidation number of nitrogen in solid (C) is:

NTA JEE Main 4th September 2020 Shift 1 - Question 33


The IUPAC name of the following compound is:

NTA JEE Main 4th September 2020 Shift 1 - Question 34


The decreasing order of reactivity of the following organic molecules towards AgNO$$_3$$ solution is:

NTA JEE Main 4th September 2020 Shift 1 - Question 35


Identify the incorrect statement from the options below for the above cell:

$$E^0_{Cu^{2+}|Cu} = +0.34$$ V,
$$E^0_{Zn^{2+}|Zn} = -0.76$$ V

NTA JEE Main 4th September 2020 Shift 1 - Question 36


For the equilibrium $$A \rightleftharpoons B$$, the variation of the rate of the forward (a) and reverse (b) reaction with time is given by:

NTA JEE Main 4th September 2020 Shift 1 - Question 37


Match the following:
(i) Foam            (a) smoke
(ii) Gel              (b) cell fluid
(iii) Aerosol       (c) jellies
(iv) Emulsion     (d) rubber
                          (e) froth
                          (f) milk

NTA JEE Main 4th September 2020 Shift 1 - Question 38


Among statements (a) - (d), the correct ones are:
(a) Lime stone is decomposed to CaO during the extraction of iron from its oxides.
(b) In the extraction of silver, silver is extracted as an anionic complex.
(c) Nickel is purified by Mond's process.
(d) Zr and Ti are purified by Van Arkel method.

NTA JEE Main 4th September 2020 Shift 1 - Question 39


The number of isomers possible for $$[Pt(en)(NO_2)_2]$$ is:

NTA JEE Main 4th September 2020 Shift 1 - Question 40


The pair in which both the species have the same magnetic moment (spin only) is:

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