Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The entropy change in the fusion of one mole of a solid melting at 27oC (latent heat of fusion is 2930 J mol–1) is :
A
9.77 J/mol-K
B
10.77 J/mol-K
C
9.07 J/mol-K
D
0.977 J/mol-K
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
2Zn + O2 $$ \to $$ 2ZnO;  $$\Delta $$Go = $$-$$ 616 J
2Zn + S2 $$ \to $$ 2ZnS;  $$\Delta $$Go = $$-$$ 293 J
S2 + 2O2 $$ \to $$ 2SO2;   $$\Delta $$Go = $$-$$408 J
$$\Delta $$Go for the following reaction
2ZnS + 3O2 $$ \to $$  2ZnO + 2SO2 is
A
$$-$$ 731 J
B
$$-$$ 1317 J
C
$$-$$ 501 J
D
+ 731 J
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