Download App

STD 11 -p-Block elements - I — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 -p-Block elements - I4 Marks
MCQ
The incorrect order of  $1^{st}$  $IP$  of the elements is
  • ✓
    $Al > Ga$
  • B
    $P > S$
  • C
    $Cu < Zn$
  • D
    $Zr < Hf$
✓

Answer

Correct option: A.
$Al > Ga$
a

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which one of the following compounds gives a positive iodoform test
→
An enzyme which brings about the conversion of starch into maltose is known as
→
The electron affinity values for the halogens show the following trend
→
When $AgN{O_3}$ is heated strongly, the products formed are
→
The chemical used for cooling in refrigeration is
→
Which of the following pentoses will be optically active

$\begin{array}{*{20}{c}}{CHO}\\|\\{HCOH}\\|\\{HOCH}\\|\\{HCOH}\\|\\{C{H_2}OH}\\I\end{array}$                    $\begin{array}{*{20}{c}}{CHO}\\|\\{HCOH}\\|\\{HCOH}\\|\\{HOCH}\\|\\{C{H_2}OH}\\{II}\end{array}$            $\begin{array}{*{20}{c}}{CHO}\\|\\{HCOH}\\|\\{HCOH}\\|\\{HCOH}\\|\\{C{H_2}OH}\\{III}\end{array}$

→
Elimination reaction of $2 -$Bromo-pentane to form pent$-2-$ene is:

$(a)$ $\beta$ $-$Elimination reaction

$(b)$ Follow Zaitsev rule

$(c)$ Dehydrohalogenation reaction

$(d)$ Dehydration reaction

→
Which of the following is a mixed anhydride
→
In $\mathrm{SO}_{2}, \mathrm{NO}_{2}^{-}$and $\mathrm{N}_{3}^{-}$the hybridizations at the central atom are respectively :
→
$A_2 + 2\,B \to 2\,AB$

$[A_2]$ $[B]$ ${-d\,[A_2]/dt}$
$0.1$ $0.2$ $1 \times {10^{ - 2}}\,M{s^{ - 1}}$
$0.2$ $0.2$ $2 \times {10^{ - 2}}\,M{s^{ - 1}}$
$0.2$ $0.4$ $8 \times {10^{ - 2}}\,M{s^{ - 1}}$

Order of reaction w.r.t. $A_2$ and $B$ are respectively

→