Which of following is not correctly matched? A. d-block element: … - Vidyadip

MCQ

Which of following is not correctly matched?
A. d-block element: electronic configuration is $n s^{0-2}(n-1) d^{1-10}$
B. p-block element: electronic configuration is $ns ^{1-2} np ^{1-6}$
C. s-block elemen: electronic configuration is $ns { }^{1-2}$
D. Ce: f-block's first member.

A
D
B
B
C
A
D
C

✓

Answer

B. B
Explanation:
p-block element: electronic configuration is $n s^{1-2} n p^{1-6}$

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 "SECTION - A [CHEMISTY - MCQ]" from Model Paper 10→Model Paper 10 — all question types→NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The electronic configuration of four elements are

$(I)\,[Xe]\, 6s^1$ $(II)\,[Xe]\,4f^{14}\,5d^1\,6s^2$

$(III)\,[Ar]\,4s^2\,4p^5$ $(IV)\,[Ar]\,3d^7,\,4s^2$

Select the incorrect statement about these elements

Ozonolysis of $2-$ methyl butene $-2$ yields

Which of the following is not an amino acid

Which of the following does not depend on stable electronic configuration ?

Which element gives maximum balanced oxide

Naturally occuring boron has $20\%\, _5B^{10}$ and $80\%\, _5B^{11}$. The atomic weight of boron is :-

The element whose a atom has mass of $10.86 \times {10^{ - 26}}$ $kg$ is

Which of the following resonating structures of ${N_2}O$ is the most contributing

Consider the following statements :-

$(I)\,\,PCl_3$ hydrolyses in the presence of moisture giving fumes of $HCl$

$(II)\,\,PCl_5$ exists as $[PCl_4]^-[PCl_6]^+$ in solid state

$(III)$ All the five bonds in $PCl_5$ molecule are equivalent

Choose the correct statements

A solution containing $62\,g$ ethylene glycol in $250\,g$ water is cooled to $-10\,^oC. $ If $K_f$ for water is $1.86\,K\,kg\,mol^{-1},$ the amount of water(in $g$ ) separated as ice is