NTA JEE Main 4th September 2020 Shift 2
For the following questions answer them individually
NTA JEE Main 4th September 2020 Shift 2 - Question 41
The major product [B] in the following reaction is:
NTA JEE Main 4th September 2020 Shift 2 - Question 42
The major product [R] in the following sequence of reaction is:
NTA JEE Main 4th September 2020 Shift 2 - Question 43
The major product [C] of the following reaction sequence will be:
NTA JEE Main 4th September 2020 Shift 2 - Question 44
In the following reaction sequence, [C] is:
NTA JEE Main 4th September 2020 Shift 2 - Question 45
The mechanism of action of "Terfenadine" (Seldane) is:
NTA JEE Main 4th September 2020 Shift 2 - Question 46
A 100 mL solution was made by adding 1.43 g of $$Na_2CO_3 \cdot xH_2O$$. The normality of the solution is 0.1 N. The value of x is __________ (The atomic mass of Na is 23 g/mol)
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NTA JEE Main 4th September 2020 Shift 2 - Question 47
Consider the following equations:
$$2Fe^{2+} + H_2O_2 \to xA + yB$$ (in basic medium)
$$2MnO_4^- + 6H^+ + 5H_2O_2 \to x'C + y'D + z'E$$ (in acidic medium)
The sum of the stoichiometric coefficients x, y, x', y' and z' for products A, B, C, D and E respectively, is
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NTA JEE Main 4th September 2020 Shift 2 - Question 48
The osmotic pressure of a solution of NaCl is 0.10 atm and that of a glucose solution is 0.20 atm. The osmotic pressure of a solution formed by mixing 1 L of the sodium chloride solution with 2 L of the glucose solution is $$x \times 10^{-3}$$ atm. x is __________ (nearest integer)
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NTA JEE Main 4th September 2020 Shift 2 - Question 49
The number of molecules with energy greater than the threshold energy for a reaction increases five fold by a rise of temperature from 27°C to 42°C. Its energy of activation in J/mol is __________ (Take ln 5 = 1.6094; R = 8.314 J mol$$^{-1}$$)
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NTA JEE Main 4th September 2020 Shift 2 - Question 50
The number of chiral centres present in threonine is __________
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