NTA JEE Main 24th February 2021 Shift 1
For the following questions answer them individually
NTA JEE Main 24th February 2021 Shift 1 - Question 41
The major components in "Gun Metal" are:
NTA JEE Main 24th February 2021 Shift 1 - Question 42
The electrode potential of $$M^{2+}/M$$ of 3d-series elements shows positive value for?
NTA JEE Main 24th February 2021 Shift 1 - Question 43
The product formed in the first step of the reaction with excess Mg / Et$$_2$$O / Et = $$C_2H_5$$ is
NTA JEE Main 24th February 2021 Shift 1 - Question 44
What is the major product formed by HI on reaction with the above compound?
NTA JEE Main 24th February 2021 Shift 1 - Question 45
What is the final product (major) 'A' in the given reaction?
Major product among the following is?
NTA JEE Main 24th February 2021 Shift 1 - Question 46
Which of the following reagent is used for the following reaction?
$$CH_3CH_2CH_3 \to CH_3CH_2CHO$$
NTA JEE Main 24th February 2021 Shift 1 - Question 47
A and B in the following reactions are:
NTA JEE Main 24th February 2021 Shift 1 - Question 48
Match List I with List II.
| List I (Monomer Unit) | List II (Polymer) |
|---|---|
| (a) Caprolactum | (i) Natural rubber |
| (b) 2-Chloro-1,3-butadiene | (ii) Buna-N |
| (c) Isoprene | (iii) Nylon 6 |
| (d) Acrylonitrile | (iv) Neoprene |
Choose the correct answer from the options given below:
NTA JEE Main 24th February 2021 Shift 1 - Question 49
Given below are two statements:
Statement I: Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.
Statement II: Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame.
In the light of the above statements, choose the most appropriate answer from the options given below.
NTA JEE Main 24th February 2021 Shift 1 - Question 50
Out of the following, which type of interaction is responsible for the stabilisation of $$\alpha$$-helix structure of proteins?
