p-Block Elements
56 Questions
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 20th August Evening Shift
Xenon best reacts with
A.
neutral atoms
B.
most electronegative elements
C.
most electropositive elements
D.
transition elements
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 20th August Evening Shift
The correct order of acidic character of the following is
A.
$\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}$
B.
$\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{Te}$
C.
$\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{O}$
D.
$\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{O}$
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 20th August Evening Shift
In the following reactions (i) and (ii), the number of moles of chlorine gas released respectively are
(i) $\mathrm{MnO}_2+4 \mathrm{HCl} \longrightarrow$
(ii) $\mathrm{KMnO}_4+16 \mathrm{HCl} \longrightarrow$
A.
1 and 4
B.
1 and 5
C.
2 and 5
D.
2 and 4
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 20th August Morning Shift
What would be the product of following reaction?
$\mathrm{SiCl}_4 \stackrel{\text { Excess of } \mathrm{H}_2 \mathrm{O}}{\longrightarrow} \text { ? (Major product) }$
A.
$\mathrm{SiCl}_3(\mathrm{OH})$
B.
$\mathrm{Si}(\mathrm{OH})_4$
C.
$\mathrm{SiCl}_2(\mathrm{OH})_2$
D.
$\mathrm{SiCl}_4$ (no reaction)
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 19th August Morning Shift
Identify (P) and (Q) in the following reaction.
A.
$P:\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}, \quad Q:\left(\mathrm{CH}_3\right)_3 \mathrm{SiOH}$
B.
$P:\left(\mathrm{CH}_3\right)_2 \mathrm{SiCl}_2, Q:\left(\mathrm{CH}_3\right)_2 \mathrm{Si}(\mathrm{OH})_2$
C.
$P:\left(\mathrm{CH}_3\right)_2 \mathrm{SiCl}_2, \quad Q:\left(\mathrm{CH}_3\right)_2 \mathrm{Si}(\mathrm{OH}) \mathrm{Cl}$
D.
$P:\left(\mathrm{CH}_3\right)_2 \mathrm{SiCl}_2, Q:\left(\mathrm{CH}_3\right)_2 \mathrm{SiO}$
2021
AP-EAPCET
MCQ
AP EAPCET 2021 - 19th August Morning Shift
Match the following compounds with their corresponding physical properties.
| Column I | Column II | ||
|---|---|---|---|
| A. | $\mathrm{IBr}$ | 1. | Orange solid |
| B. | $\mathrm{CIF}_3$ | 2. | Yellow-green liquid |
| C. | $\mathrm{BrF}_3$ | 3. | Black solid |
| D. | $\mathrm{ICl}_3$ | 4. | Colourless gas |
A.
A - 2, B - 1, C - 4, D - 3
B.
A - 1, B - 3, C - 2, D - 4
C.
A - 3, B - 4, C - 2, D - 1
D.
A - 4, B - 2, C - 1, D - 3