1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

A vessel contains 3.2 g of dioxygen gas at STP (273.15 K and 1 atm pressure). The gas is now transferred to another vessel at constant temperature, where pressure becomes one third of the original pressure. The volume of new vessel in L is : (Given : molar volume at STP is 22.4 L)

A
67.2
B
6.72
C
2.24
D
22.4
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Which one of the following reaction sequence is incorrect method to prepare phenol?

A
NEET 2022 Phase 2 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 1
B
Aniline, NaNO2 + HCl, H2O, heating
C
Cumene, O2, H3O+
D
NEET 2022 Phase 2 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 4
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

For a chemical reaction

4A + 3B $$\to$$ 6C + 9D

Rate of formation of C is 6 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and rate of disappearance of A is 4 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1. The rate of reaction and amount of B consumed in interval of 10 seconds, respectively will be :

A
10 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and 30 $$\times$$ 10$$-$$2 mol L$$-$$1
B
1 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and 30 $$\times$$ 10$$-$$2 mol L$$-$$1
C
10 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and 10 $$\times$$ 10$$-$$2 mol L$$-$$1
D
1 $$\times$$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and 10 $$\times$$ 10$$-$$2 mol L$$-$$1
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Standard electrode potential for the cell with cell reaction

Zn(s) + Cu2+(aq) $$\to$$ Zn2+(aq) + Cu(s)

is 1.1 V. Calculate the standard Gibbs energy change for the cell reaction. (Given F = 96487 C mol$$-$$1)

A
$$-$$200.27 J mol$$-$$1
B
$$-$$200.27 kJ mol$$-$$1
C
$$-$$212.27 kJ mol$$-$$1
D
$$-$$212.27 J mol$$-$$1
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12