1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the density of an element having molar mass $63 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=28 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
$6.0 \mathrm{~g} \mathrm{~cm}^{-3}$
B
$9.0 \mathrm{~g} \mathrm{~cm}^{-3}$
C
$5.0 \mathrm{~g} \mathrm{~cm}^{-3}$
D
$7.0 \mathrm{~g} \mathrm{~cm}^{-3}$
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following groups is selected as principal functional group for nomenclature of a polyfunctional compound according to IUPAC system?

A
$-\mathrm{CONH}_2$
B
$\mathrm{-CN}$
C
$\mathrm{-OH}$
D
$-\mathrm{C} \equiv \mathrm{C}-$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the structure of $\mathrm{XeF}_4$ molecule from following.

A
Trigonal pyramidal
B
Square pyramidal
C
Square planar
D
Distorted octahedral
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate $\left[\mathrm{H}_3 \mathrm{O}^{+}\right]$in 0.02 M solution of monobasic acid if dissociation constant is $1.8 \times 10^{-5}$.

A
$3.0 \times 10^{-4} \mathrm{M}$
B
$6.0 \times 10^{-4} \mathrm{M}$
C
$2.0 \times 10^{-4} \mathrm{M}$
D
$4.0 \times 10^{-4} \mathrm{M}$
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