NTA JEE Main 28th June 2022 Shift 2

In the metallurgical extraction of copper, following reaction is used:
$$\text{FeO} + \text{SiO}_2 \rightarrow \text{FeSiO}_3$$
FeO and FeSiO$$_3$$ respectively are.

Among the given oxides of nitrogen; N$$_2$$O, N$$_2$$O$$_3$$, N$$_2$$O$$_4$$ and N$$_2$$O$$_5$$, the number of compound/(s) having N - N bond is

Which of the following oxoacids of sulphur contains "S" in two different oxidation states?

Consider the following reaction,

What is A in the above reaction?

The major product P of the given reaction is (where, Me is $$-$$CH$$_3$$)

Isobutyraldehyde on reaction with formaldehyde and K$$_2$$CO$$_3$$ gives compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis gives a stable compound 'C'. The compound 'C' is

With respect to the following reaction, consider the given statements:

(A) o-Nitroaniline and p-nitroaniline are the predominant products.
(B) p-Nitroaniline and m-nitroaniline are the predominant products.
(C) HNO$$_3$$ acts as an acid.
(D) H$$_2$$SO$$_4$$ acts as an acid.
Choose the correct option.

Given below are two statements, one is Assertion and other is Reason.
Assertion: Natural rubber is a linear polymer of isoprene called cis-polyisoprene with elastic properties.
Reason: The cis-polyisoprene molecules consist of various chains held together by strong polar interactions with coiled structure.
In the light of the above statements, choose the correct one from the options given below

The structure of Tagamet (Cimetidine) is:

When sugar 'X' is boiled with dilute H$$_2$$SO$$_4$$ in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO$$_3$$ yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is