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

The products A and B in the following reaction sequence are :

NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English

A
NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English Option 1
B
NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English Option 2
C
NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English Option 3
D
NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English Option 4
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Which one of the following is not a calcination reaction?

A
CaCO3 + 2HCl $$\buildrel \Delta \over \longrightarrow $$ CaCl2 + H2O + CO2
B
ZnCO3 $$\buildrel \Delta \over \longrightarrow $$ ZnO + CO2
C
Fe2O3 . xH2O $$\buildrel \Delta \over \longrightarrow $$ Fe2O3 + xH2O
D
CaCO3 . MgCO3 $$\buildrel \Delta \over \longrightarrow $$ CaO + MgO + 2CO2
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The incorrect method for the synthesis of alkenes is

A
Treating vicinal dihalides with Zn metal
B
Treating of alkynes with Na in liquid NH3
C
Heating alkyl halides with alcoholic KOH
D
Treating alkyl halides in aqueous KOH solution
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