Embibe Experts Solutions for Chapter: p- Block Elements, Exercise 1: TS EAMCET Medical 2019 (8-May Shift-2)

The correct option pertaining to varying chemical behaviour of the first member of a group($\mathrm{s}$-and $\mathrm{p}$- block elements) compared with the subsequent members of the same group is that they
(A) exhibit the maximum covalency of $4$
(B) have less electronegativity
(C) possess large charge to radius ratio

The highest ${\mathrm{E}}^0$ (in $\mathrm{V}$) value for ${\mathrm{M}}^{+}\to \mathrm{M}$ among the group $13$ elements is

The correct statements from below are:

(I) ${\mathrm{H}}_3{\mathrm{BO}}_3$ is a liquid
(II) ${\mathrm{H}}_3{\mathrm{BO}}_3$ forms a layer structure
(III) In ${\mathrm{H}}_3{\mathrm{BO}}_3,$ each ${\mathrm{BO}}_3$ unit is joined by hydrogen bonds
(IV) ${\mathrm{H}}_3{\mathrm{BO}}_3$ is tribasic.

Which one of the following options is true?

The correct set of neutral oxides among the following are

The correct option from below is

From the given reactions those produce ammonia are
(A) ${\mathrm{NH}}_2{\mathrm{CONH}}_2+2{\mathrm{H}}_2\mathrm{O}\to$
(B) $2{\mathrm{NH}}_4\mathrm{Cl}+\mathrm{Ca}(\mathrm{OH}{)}_2\to$
(C) $4\mathrm{Zn}+10{\mathrm{HNO}}_3$ (dil.) $\to$
(D) ${\mathrm{S}}_8+48{\mathrm{HNO}}_3\to$

Match the following

The correct match is: