NTA JEE Main 29th June 2022 Shift 1

Instructions

For the following questions answer them individually

NTA JEE Main 29th June 2022 Shift 1 - Question 31


Production of iron in blast furnace follows the following equation
Fe$$_3$$O$$_4$$(s) + 4CO(g) $$\rightarrow$$ 3Fe(l) + 4CO$$_2$$(g)
when 4.640 kg of Fe$$_3$$O$$_4$$ and 2.520 kg of CO are allowed to react then the amount of iron (in g) produced is:
[Given: Molar Atomic mass (g mol$$^{-1}$$): Fe = 56, O = 16, C = 12]

NTA JEE Main 29th June 2022 Shift 1 - Question 32


Which of the following statements are correct?
(A) The electronic configuration of Cr is [Ar] 3d$$^5$$4s$$^1$$.
(B) The magnetic quantum number may have a negative value.
(C) In the ground state of an atom, the orbitals are filled in order of their increasing energy order.
(D) The total number of nodes are given by n - 2.
Choose the most appropriate answer from the options given below.

NTA JEE Main 29th June 2022 Shift 1 - Question 33


The electronic configuration of Pt (atomic number 78) is

NTA JEE Main 29th June 2022 Shift 1 - Question 34


Arrange the following in the decreasing order of their covalent character:
(A) LiCl
(B) NaCl
(C) KCl
(D) CsCl
Choose the most appropriate answer from the options given below

NTA JEE Main 29th June 2022 Shift 1 - Question 35


The solubility of AgCl will be maximum in which of the following?

NTA JEE Main 29th June 2022 Shift 1 - Question 36


Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium?

NTA JEE Main 29th June 2022 Shift 1 - Question 37


Match List-I with Match List-II
List-I (Metal)              List-II (Emitted light wavelength (nm))
(A) Li                           (I)   670.8
(B) Na                         (II)  589.2
(C) Rb                         (III) 780.0
(D) Cs                         (V)  455.5
Choose the most appropriate answer from the options given below

NTA JEE Main 29th June 2022 Shift 1 - Question 38


Match List-I with Match List-II
List-I (Metal)               List-II (Application)
(A) Cs                    (I)    High temperature thermometer
(B) Ga                   (II)   Water repellent sprays
(C) B                     (III)  Photoelectric cells
(D) Si                    (V)   Bullet proof vest
Choose the most appropriate answer from the options given below

NTA JEE Main 29th June 2022 Shift 1 - Question 39


Two isomers 'A' and 'B' with molecular formula C$$_4$$H$$_8$$ give different products on oxidation with KMnO$$_4$$ in acidic medium. Isomer 'A' on reaction with KMnO$$_4$$/H$$^+$$ results in effervescence of a gas and gives ketone. The compound 'A' is

NTA JEE Main 29th June 2022 Shift 1 - Question 40


The acid that is believed to be mainly responsible for the damage of Taj Mahal is

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