NTA JEE Main 31st August 2021 Shift 1
For the following questions answer them individually
NTA JEE Main 31st August 2021 Shift 1 - Question 41
In the structure of the dichromate ion, there is a:
NTA JEE Main 31st August 2021 Shift 1 - Question 42
Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature? (Given Z for Nd = 60, Yb = 70, La = 57, Ce = 58)
NTA JEE Main 31st August 2021 Shift 1 - Question 43
The denticity of an organic ligand, biuret is:
NTA JEE Main 31st August 2021 Shift 1 - Question 44
The structure of product C, formed by the following sequence of reactions is:
CH$$_3$$COOH + SOCl$$_2$$ $$\rightarrow$$ A $$\xrightarrow[AlCl_{3}]{Benzene}$$ B $$\xrightarrow[OH]{KCN}$$ C
NTA JEE Main 31st August 2021 Shift 1 - Question 45
The correct order of reactivity of the given chlorides with acetate in acetic acid is:
NTA JEE Main 31st August 2021 Shift 1 - Question 46
Given below are two statements:
Statement I : The process of producing syn-gas is called gasification of coal.
Statement II : The composition of syn-gas is CO + CO$$_2$$ + H$$_2$$ (1 : 1 : 1).
In the light of the above statements, choose the most appropriate answer from the options given below:
NTA JEE Main 31st August 2021 Shift 1 - Question 47
The major products A and B in the following set of reactions are:
NTA JEE Main 31st August 2021 Shift 1 - Question 48
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Aluminium is extracted from bauxite by the electrolysis of molten mixture of Al$$_2$$O$$_3$$ with cryolite.
Reason (R) : The oxidation state of Al in cryolite is +3.
In the light of the above statements, choose the most appropriate answer from the options given below:
NTA JEE Main 31st August 2021 Shift 1 - Question 49
The major product formed in the following reaction is:
NTA JEE Main 31st August 2021 Shift 1 - Question 50
Which one of the following compounds contains $$\beta - C_1 - C_4$$ glycosidic linkage?
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