1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element having highest ionization enthalpy.

A
Ti
B
Sc
C
Zn
D
Ni
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation number of $$\mathrm{Pt}$$ in $$\mathrm{PtCl}_6^{2-}$$ ?

A
+6
B
+4
C
$$-6$$
D
$$-4$$
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of rate constant for first order reaction if slope for the graph of rate versus concentration is $$2.5 \times 10^{-3}$$ ?

A
$$2.5 \times 10^{-3}$$ time$$^{-1}$$
B
$$5.0 \times 10^{-3}$$ time$$^{-1}$$
C
$$7.5 \times 10^{-3}$$ time$$^{-1}$$
D
$$1.25 \times 10^{-3}$$ time$$^{-1}$$
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An organic monobasic acid has dissociation constant $$2.25 \times 10^{-6}$$. What is percent dissociation in its $$0.01 \mathrm{~M}$$ solution?

A
1.5%
B
15%
C
5%
D
0.5%
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