NTA JEE Main 28th June 2022 Shift 1

Instructions

For the following questions answer them individually

NTA JEE Main 28th June 2022 Shift 1 - Question 41


Dihydrogen reacts with CuO to give

NTA JEE Main 28th June 2022 Shift 1 - Question 42


Which one of the lanthanoids given below is the most stable in divalent form?

NTA JEE Main 28th June 2022 Shift 1 - Question 43


Given below are two statements :
Statement I: $$[Ni(CN)_4]^{2-}$$ is square planar and diamagnetic complex, with $$dsp^2$$ hybridization for Ni but $$[Ni(CO)_4]$$ is tetrahedral, paramagnetic and with $$sp^3$$ hybridication for Ni.
Statement II : $$[NiCl_4]^{2-}$$ and $$[Ni(CO)_4]$$ both have same d-electron configuration, have same geometry and are paramagnetic.
In light the above statements, choose the correct answer form the options given below

NTA JEE Main 28th June 2022 Shift 1 - Question 44


The major product (P) in the reaction

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NTA JEE Main 28th June 2022 Shift 1 - Question 45


Which one of the following compounds is inactive towards $$S_N1$$ reaction?

NTA JEE Main 28th June 2022 Shift 1 - Question 46


The correct structure of product 'A' formed in the following reaction,

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NTA JEE Main 28th June 2022 Shift 1 - Question 47


Identify the major product formed in the following sequence of reactions :

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NTA JEE Main 28th June 2022 Shift 1 - Question 48


A primary aliphatic amine on reaction with nitrous acid in cold (273 K) and there after raising temperature of reaction mixture to room temperature (298 K), gives a/an

NTA JEE Main 28th June 2022 Shift 1 - Question 49


Which one of the following is NOT a copolymer?

NTA JEE Main 28th June 2022 Shift 1 - Question 50


Stability of $$\alpha$$-Helix structure of proteins depends upon

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