Download App

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

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Which belongs to the actinides series
  • A
    $Ce$
  • ✓
    $Cf$
  • C
    $Ca$
  • D
    $Cs$
✓

Answer

Correct option: B.
$Cf$
b
(b) $Ce$ - lanthanide, $Cs$ - alkali metal, $Cf$ - actinide, $Ca$ - alkaline earth metal.

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

More "M.C.Q (1 Marks)" from 4. d and f- block elements→4. d and f- block elements — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $\alpha -$hydroxy acid. The carbonyl compound is
→
$1\,Mole$ of liquid $A$ and $2\,moles$ of liquid $B$ make a solution having observed vapour pressure of $42\,torr$ . The vapour pressure of pure $A$ and pure $B$ are $45\, torr$ and $36\,torr$ respectively. The described solution
→
A fuel cell use $CH_4$ gas and it forms $CO_3^{-2}$ at anode. It used to power a car with $96.5\  amp$ for $104\  sec$. The volume of $CH_4$ gas required at $1\  atm$ and $273\  K$ is ............ $\mathrm{L}$
→
The correct IUPAC name of Mn3​(CO)12​ is:
→
Total number of stereoisomers of [Co(acac)2​BrCl]- are.
→
The reaction: [C2​H5​Br + NH3​] is in fact an example of:
→
The standard reduction potentials at $298\,K$for the following half reactions are given against each

$Zn^{2 + }(aq.) + 2e⇔  Zn(s)$; $→$  $  -0.762$

$Cr^{3 + }(aq) + 3e  ⇔ Cr(s)$;  $→$    $-0.740$

$2H^ +(aq) + 2e⇔  {H_2}(g)$; $→$    $0.00$

$Fe^{3+}(aq) + e  ⇔ Fe^{2+}(aq)$; $→$  $0.770$

Which is the strongest reducing agent

→
The ligands which can get attached to the central metal ion through more than one atom are called
→
What is the correct electronic configuration of the central atom in $K _{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ based on crystal fleld theory?
→
Identify correct order of acidic strength for following compounds 

$(I)$ Ortho -nitrophenol

$(II)$ Para -nitrophenol

$(III)$ Meta- nitrophenol

→