[Download PDF] NTA JEE Main 22nd July 2021 Shift 1 Paper with Solutions

Instructions

For the following questions answer them individually

NTA JEE Main 22nd July 2021 Shift 1 - Question 41

Isotope(s) of hydrogen which emits low energy $$\beta^-$$ particles with $$t_{1/2}$$ value > 12 years is/are

Solution

NTA JEE Main 22nd July 2021 Shift 1 - Question 42

When silver nitrate solution is added to potassium iodide solution then the sol produced is:

Solution

NTA JEE Main 22nd July 2021 Shift 1 - Question 43

Sulphide ion is soft base and its ores are common for metals
(a) Pb (b) Al (c) Ag (d) Mg
Choose the correct answer from the options given below

Solution

NTA JEE Main 22nd July 2021 Shift 1 - Question 44

Which one of the following group-15 hydride is the strongest reducing agent?

Solution

NTA JEE Main 22nd July 2021 Shift 1 - Question 45

The set having ions which are coloured and paramagnetic both is -

Solution

NTA JEE Main 22nd July 2021 Shift 1 - Question 46

Which of the following compounds will provide a tertiary alcohol on reaction with excess of CH$$_3$$MgBr followed by hydrolysis?

NTA JEE Main 22nd July 2021 Shift 1 - Question 47

An organic compound A (C$$_6$$H$$_6$$O) gives dark green colouration with ferric chloride. On treatment with CHCl$$_3$$ and KOH, followed by acidification gives compound B. Compound B can also be obtained from compound C on reaction with pyridinium chlorochromate (PCC). Identify A, B and C.