1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the incorrect statement from the following.

A
A tetrahedral complex of the type $$[\mathrm{Ma}_2 \mathrm{b}_2]$$ does not show geometrical isomerism
B
Coordination entities of the type $$[\mathrm{Ma}_3 \mathrm{b}_3]$$ do not exhibit geometrical isomerism
C
Square planar complex  of the type [Mabcd] has 3 possible geometrical isomers
D
In a coordination entity of the type $$[\mathrm{Ma} 2(\mathrm{bb})_2]^{2+}$$ only the cis-isomer is optically active
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$0.1 \mathrm{M}$$ solution of $$\mathrm{AgNO}_3$$ is taken in a Conductivity cell and a potential difference of $$40 \mathrm{~V}$$ is applied across the ends of a column of this solution whose diameter is $$4.0 \mathrm{~cm}$$ and length of the column is $$12 \mathrm{~cm}$$. The current used is $$0.4 \mathrm{~A}$$. The Molar conductivity of the solution is _________.

A
$$9.547 \mathrm{~Scm}^2 \mathrm{~mol}^{-1}$$
B
$$95.5 \mathrm{~Scm}^2 \mathrm{~mol}^{-1}$$
C
$$0.009546 \mathrm{~Scm}^2 \mathrm{~mol}^{-1}$$
D
$$954.7 \mathrm{~Scm}^2 \mathrm{~mol}^{-1}$$
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following options.

Assertion : Energy of $$2 \mathrm{~s}$$ orbital of Hydrogen is less than the energy of the $$2 \mathrm{~s}$$ orbital of Lithium.

Reason : Energies of orbitals in the same subshell decrease with increase in atomic number.

A
Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
B
Assertion is correct but Reason is incorrect statement.
C
Assertion is incorrect but Reason is correct statement.
D
Both Assertion and Reason are incorrect statements.
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$300 \mathrm{ml}$$ of an aqueous solution of $$\mathrm{NaOH}$$ with $$\mathrm{pH}$$ value of 10 is mixed with $$200 \mathrm{ml}$$ of an aqueous solution of $$\mathrm{HCl}$$ with a $$\mathrm{pH}$$ value of 4. What will be the $$\mathrm{pH}$$ of the resultant solution at room temperature?

A
11.262
B
10.52
C
9.301
D
8.909
EXAM MAP