1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following pair of nuclides is an example of isotones?

A
$${ }_{17}^{35} \mathrm{Cl},{ }_{17}^{37} \mathrm{Cl}$$
B
$${ }_{18}^{40} \mathrm{Ar},{ }_{19}^{40} \mathrm{~K}$$
C
$${ }_6^{13} \mathrm{C},{ }_5^{11} \mathrm{~B}$$
D
$${ }_6^{12} \mathrm{C},{ }_5^{11} \mathrm{~B}$$
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify FALSE statement from following.

A
Boiling point of sulfur is lower than oxygen.
B
Ionization enthalpy of group 16 elements gradually decreases from top to bottom.
C
Group 16 elements have lower ionization enthalpy than group 15 elements in corresponding periods.
D
Oxygen has highest electronegativity next to fluorine amongst all the elements.
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is IUPAC name of crotonyl alcohol?

A
But-3-en-1-ol
B
But-2-en-1-ol
C
But-1-en-2-ol
D
But-1-en-3-ol
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A solution of $$5.6 \mathrm{~g}$$ non-volatile solute in $$50 \mathrm{~g}$$ solvent has elevation in boiling point $$1.75 \mathrm{~K}$$. What is the molar mass of solute $$\left(\mathrm{K}_{\mathrm{b}}=3 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$$ ?

A
$$192 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$200 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$184 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$176 \mathrm{~g} \mathrm{~mol}^{-1}$$
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