NTA JEE Main 29th July 2022 Shift 2

Instructions

For the following questions answer them individually

NTA JEE Main 29th July 2022 Shift 2 - Question 41


Given below are the critical temperatures of some of the gases:

GasCritical temperature (K)
He5.2
$$CH_4$$190
$$CO_2$$304.2
$$NH_3$$405.5

The gas showing least adsorption on a definite amount of charcoal is

NTA JEE Main 29th July 2022 Shift 2 - Question 42


In liquation process used for tin (Sn), the metal

NTA JEE Main 29th July 2022 Shift 2 - Question 43


Dinitrogen is a robust compound, but reacts at high altitude to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is

NTA JEE Main 29th July 2022 Shift 2 - Question 44


Which of the following 3d-metal ion will give the lowest enthalpy of hydration $$\Delta_{hyd}H$$ when dissolved in water?

NTA JEE Main 29th July 2022 Shift 2 - Question 45


Octahedral complexes of copper(II) undergo structural distortion (Jahn-Teller). Which one of the given copper(II) complexes will show the maximum structural distortion? (en = ethylenediamine; $$H_2N-CH_2-CH_2-NH_2$$)

NTA JEE Main 29th July 2022 Shift 2 - Question 46


Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is [where Et is $$-C_2H_5$$]

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NTA JEE Main 29th July 2022 Shift 2 - Question 47


When ethanol is heated with conc. $$H_2SO_4$$, a gas is produced. The compound formed, when this gas is treated with cold dilute aqueous solution of Baeyer's reagent, is

NTA JEE Main 29th July 2022 Shift 2 - Question 48


The Hinsberg reagent is

NTA JEE Main 29th July 2022 Shift 2 - Question 49


Which of the following is NOT a natural polymer?

NTA JEE Main 29th July 2022 Shift 2 - Question 50


Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Amylose is insoluble in water.
Reason R: Amylose is a long linear molecule with more than 200 glucose units.
In the light of the above statements, choose the correct answer from the options given below.

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