Download App

STD 12 - 4. d and f- block elements — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 4. d and f- block elements4 Marks
MCQ
Super are derived from compounds of
  • A
    $p-$ block elementsconductors
  • B
    Lanthanides
  • C
    Actinides
  • ✓
    Transition elements
✓

Answer

Correct option: D.
Transition elements
d
It’s Obvious.

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

The $IUPAC$ name of the compound $CHO - {(C{H_2})_4} - COOH$
→
$IUPAC$ name of is

$C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{\overset{OH}{\mathop{\overset{|\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,C{{H}_{2}}-\underset{C{{H}_{3}}\,}{\mathop{\underset{|\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{3}}$

→
$\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C{H_2} - CH - C{H_3}\,\xrightarrow[{hv}]{{C{l_2}(1\,\,mol)}}} 
\end{array}$  Major product
→
The half life for the first order reaction $N_2O_5 \to 2NO_2 + \frac{1}{2} O_2$ is $2.4$ hour.  Starting with $10.8\, g$ of $N_2O_5$ at $STP$, ........ $L$ oxygen will be obtained after a  period of $9.6$ hour. $(10^{0.2} = 1.584)$
→
Given below are two statements :
Statement (I): On hydrolysis, oligo peptides give rise to fewer number of $\alpha$-amino acids while proteins give rise to a large number of $\beta$-amino acids.
Statement (II) : Natural proteins are denatured by acids which convert the water soluble form of fibrous proteins to their water insoluble form.
In the light of the above statements, choose the most appropriate answer from the options given below :
→
The higher concentration of which gas in air can cause stiffness of flower buds?
→
Which of following having delocalised electron
→
Total number of tripeptides possible by mixing of valine and proline is $............$.
→
Hess law of heat summation includes
→
Consider the ground state of chromium atom $( Z =24)$. How many electrons are with Azimuthal quantum number $l=1$ and $l=2$ respectively ?
→