1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Hydroxyl ion concentration of 1M HCl is

A
1 $$\times$$ 10$$^{-14}$$ mol dm$$^{-3}$$
B
1 $$\times$$ 10$$^{-1}$$ mol dm$$^{-3}$$
C
1 $$\times$$ 10$$^{-13}$$ mol dm$$^{-3}$$
D
1 $$\times$$ 10$$^{1}$$ mol dm$$^{-3}$$
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Geometrical isomerism is shown by

A
COMEDK 2020 Chemistry - Isomerism Question 10 English Option 1
B
COMEDK 2020 Chemistry - Isomerism Question 10 English Option 2
C
COMEDK 2020 Chemistry - Isomerism Question 10 English Option 3
D
None of these
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The oxidation state of iron in K$$_4$$[Fe(CN)$$_6$$] is,

A
2
B
3
C
4
D
1
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

In which of the following process, a maximum increase in entropy is observed?

A
dissolution of salt in water
B
condensation of water
C
sublimation of naphthalene
D
melting of ice
EXAM MAP