1
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Consider the reaction,

$$ \mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow Q+3 \mathrm{NaH}_2 \mathrm{PO}_2 $$

Identify the reaction in which $Q$ is not the product. (equations are not balanced)

A
$\mathrm{Ca}_3 \mathrm{P}_2+\mathrm{H}_2 \mathrm{O} \longrightarrow$
B
$\mathrm{H}_3 \mathrm{PO}_3 \xrightarrow{\Delta}$
C
$\mathrm{PH}_4 \mathrm{I}+\mathrm{KOH} \longrightarrow$
D
$\mathrm{PCl}_3+\mathrm{H}_2 \mathrm{O}$
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The oxidation state of sulphur atoms and numbers of $\mathrm{S}-\mathrm{OH}$ bonds in peroxydisulphuric acid are respectively
A
$(+6,+5), 2$
B
$(+6,+6), 4$
C
$(+6,+6), 2$
D
$(+5,+5), 4$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements from the following.

(I) Au is soluble in aqua regia but not Pt .

(II) Among the oxoacids of chlorine highest oxidation state possible for chlorine is +7 .

(III) Among the hydrogen halides lowest boiling point is for HCl .

(IV) The order of stability of oxides of halogens is $\mathrm{Cl}>\mathrm{Br}>\mathrm{I}$.

A
I and II only
B
II and III only
C
I and IV only
D
II and IV only
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
$$ \underset{(1: 20)}{\mathrm{Xe}(g)+\mathrm{F}_2(\mathrm{~g}) \xrightarrow[60-70 \text { bar }]{573 \mathrm{~K}} X(\mathrm{~s})} $$ $$ X+\mathrm{H}_2 \mathrm{O} \longrightarrow Y+\mathrm{HF}, X+3 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Z}+\mathrm{HF} $$ The correct statements regarding $Y$ and $Z$ are (I) $Y$ has square pyramidal geometry. (II) $Y$ has linear geometry. (III) Z has $3 \sigma, 3 \pi$ bonds and 1 lone pair of electrons on the central atom. (IV) Z has tetrahedral geometry.
A
I and III only
B
II and III only
C
III and IV only
D
I and IV only
EXAM MAP