1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The correct decreasing order of boiling point of hydrogen halides is

A
$\mathrm{HF}>\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}$
B
$\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}>\mathrm{HF}$
C
$\mathrm{HF}>\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}$
D
$\mathrm{HI}>\mathrm{HF}>\mathrm{HBr}>\mathrm{HCl}$
2
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The synthetically produced radioactive noble gas by the collision of ${ }_{98}^{249} \mathrm{Cf}$ with ${ }_{20}^{48} \mathrm{Ca}$ is

A
radon
B
radium
C
oganesson
D
xenon
3
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The transition element $(\approx 5 \%)$ present with lanthanoid metal in misch metal is

A
Mg
B
Fe
C
Zn
D
Co
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0

Match the following.

I. $\mathrm{Zn}^{2+}\quad$ (i) $d^8$ configuration

II. $\mathrm{Cu}^{2+}\quad$ (ii) Colourless

III. $\mathrm{Ni}^{2+}\quad$ (iii) $\mu=1.73 \mathrm{BM}$

A
I II II
(i) (ii) (iii)
B
I II II
(ii) (iii) (i)
C
I II II
(ii) (i) (iii)
D
I II II
(i) (iii) (ii)
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